157122670 has 32 divisors (see below), whose sum is σ = 302455296. Its totient is φ = 58560000.

The previous prime is 157122649. The next prime is 157122671. The reversal of 157122670 is 76221751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157122671) 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 15 ways as a sum of consecutive naturals, for example, 12595 + ... + 21745.

It is an arithmetic number, because the mean of its divisors is an integer number (9451728).

Almost surely, 2^157122670 is an apocalyptic number.

157122670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157122670 is a deficient number, since it is larger than the sum of its proper divisors (145332626).

157122670 is a wasteful number, since it uses less digits than its factorization.

157122670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 157122670 is about 12534.8581962462. The cubic root of 157122670 is about 539.6095371197.

The spelling of 157122670 in words is "one hundred fifty-seven million, one hundred twenty-two thousand, six hundred seventy".