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141212401 = 1112837491
BaseRepresentation
bin10000110101010…
…11101011110001
3100211201022222221
420122223223301
5242122244101
622002401041
73333166651
oct1032535361
9324638887
10141212401
117278aa70
123b360181
1323343145
1414a7c361
15c5e5aa1
hex86abaf1

141212401 has 4 divisors (see below), whose sum is σ = 154049904. Its totient is φ = 128374900.

The previous prime is 141212381. The next prime is 141212411. The reversal of 141212401 is 104212141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104212141 = 119473831.

It is a cyclic number.

It is not a de Polignac number, because 141212401 - 25 = 141212369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141212411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6418735 + ... + 6418756.

It is an arithmetic number, because the mean of its divisors is an integer number (38512476).

Almost surely, 2141212401 is an apocalyptic number.

141212401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141212401 is a deficient number, since it is larger than the sum of its proper divisors (12837503).

141212401 is a wasteful number, since it uses less digits than its factorization.

141212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837502.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 141212401 is about 11883.2824169082. The cubic root of 141212401 is about 520.7440052512.

Adding to 141212401 its reverse (104212141), we get a palindrome (245424542).

The spelling of 141212401 in words is "one hundred forty-one million, two hundred twelve thousand, four hundred one".

Divisors: 1 11 12837491 141212401