107257121 has 4 divisors (see below), whose sum is σ = 108259632. Its totient is φ = 106254612.

The previous prime is 107257091. The next prime is 107257153. The reversal of 107257121 is 121752701.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107257121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107257181) 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, 501095 + ... + 501308.

It is an arithmetic number, because the mean of its divisors is an integer number (27064908).

Almost surely, 2^107257121 is an apocalyptic number.

It is an amenable number.

107257121 is a deficient number, since it is larger than the sum of its proper divisors (1002511).

107257121 is a wasteful number, since it uses less digits than its factorization.

107257121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002510.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 107257121 is about 10356.5013880171. The cubic root of 107257121 is about 475.1259071587.

The spelling of 107257121 in words is "one hundred seven million, two hundred fifty-seven thousand, one hundred twenty-one".