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121260341 = 448127061
BaseRepresentation
bin1110011101001…
…00100100110101
322110011122220202
413032210210311
5222020312331
620011010245
73001460456
oct716444465
9273148822
10121260341
11624a2764
1234739985
131c1787a7
141216712d
15a9a3ecb
hex73a4935

121260341 has 4 divisors (see below), whose sum is σ = 121291884. Its totient is φ = 121228800.

The previous prime is 121260331. The next prime is 121260353. The reversal of 121260341 is 143062121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143062121 = 463930839.

It can be written as a sum of positive squares in 2 ways, for example, as 52867441 + 68392900 = 7271^2 + 8270^2 .

It is a cyclic number.

It is not a de Polignac number, because 121260341 - 26 = 121260277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121260331) 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, 9050 + ... + 18011.

It is an arithmetic number, because the mean of its divisors is an integer number (30322971).

Almost surely, 2121260341 is an apocalyptic number.

It is an amenable number.

121260341 is a deficient number, since it is larger than the sum of its proper divisors (31543).

121260341 is an equidigital number, since it uses as much as digits as its factorization.

121260341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31542.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 121260341 is about 11011.8273233828. The cubic root of 121260341 is about 494.9632200676.

The spelling of 121260341 in words is "one hundred twenty-one million, two hundred sixty thousand, three hundred forty-one".

Divisors: 1 4481 27061 121260341