122072858 has 16 divisors (see below), whose sum is σ = 185115840. Its totient is φ = 60371136.

The previous prime is 122072857. The next prime is 122072887. The reversal of 122072858 is 858270221.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (122072857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93035 + ... + 94337.

It is an arithmetic number, because the mean of its divisors is an integer number (11569740).

Almost surely, 2^122072858 is an apocalyptic number.

122072858 is a deficient number, since it is larger than the sum of its proper divisors (63042982).

122072858 is a wasteful number, since it uses less digits than its factorization.

122072858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 122072858 is about 11048.6586516192. The cubic root of 122072858 is about 496.0662768052.

The spelling of 122072858 in words is "one hundred twenty-two million, seventy-two thousand, eight hundred fifty-eight".