122858997 has 16 divisors (see below), whose sum is σ = 173703360. Its totient is φ = 77023872.

The previous prime is 122858971. The next prime is 122859019. The reversal of 122858997 is 799858221.

It is not a de Polignac number, because 122858997 - 2⁸ = 122858741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122858917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58 + ... + 15675.

It is an arithmetic number, because the mean of its divisors is an integer number (10856460).

Almost surely, 2^122858997 is an apocalyptic number.

It is an amenable number.

122858997 is a deficient number, since it is larger than the sum of its proper divisors (50844363).

122858997 is a wasteful number, since it uses less digits than its factorization.

122858997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892.

The product of its digits is 725760, while the sum is 51.

The square root of 122858997 is about 11084.1777773545. The cubic root of 122858997 is about 497.1288741632.

The spelling of 122858997 in words is "one hundred twenty-two million, eight hundred fifty-eight thousand, nine hundred ninety-seven".