260122157 has 4 divisors (see below), whose sum is σ = 271431840. Its totient is φ = 248812476.

The previous prime is 260122139. The next prime is 260122183. The reversal of 260122157 is 751221062.

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-260122157 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 (260122127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654807 + ... + 5654852.

It is an arithmetic number, because the mean of its divisors is an integer number (67857960).

Almost surely, 2^260122157 is an apocalyptic number.

It is an amenable number.

260122157 is a deficient number, since it is larger than the sum of its proper divisors (11309683).

260122157 is a wasteful number, since it uses less digits than its factorization.

260122157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309682.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 260122157 is about 16128.3029795450. The cubic root of 260122157 is about 638.3503716173.

The spelling of 260122157 in words is "two hundred sixty million, one hundred twenty-two thousand, one hundred fifty-seven".