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1301141 = 3134157
BaseRepresentation
bin100111101101010010101
32110002211102
410331222111
5313114031
643515445
714026262
oct4755225
92402742
101301141
11809626
12528b85
1336730a
1425c269
151aa7cb
hex13da95

1301141 has 4 divisors (see below), whose sum is σ = 1305612. Its totient is φ = 1296672.

The previous prime is 1301123. The next prime is 1301147. The reversal of 1301141 is 1411031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1411031 = 11312487.

It can be written as a sum of positive squares in 2 ways, for example, as 207025 + 1094116 = 455^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301141 - 26 = 1301077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301147) 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, 1766 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (326403).

21301141 is an apocalyptic number.

It is an amenable number.

1301141 is a deficient number, since it is larger than the sum of its proper divisors (4471).

1301141 is an equidigital number, since it uses as much as digits as its factorization.

1301141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1301141 is about 1140.6756769564. The cubic root of 1301141 is about 109.1712092070.

Adding to 1301141 its reverse (1411031), we get a palindrome (2712172).

The spelling of 1301141 in words is "one million, three hundred one thousand, one hundred forty-one".

Divisors: 1 313 4157 1301141