122971355 has 16 divisors (see below), whose sum is σ = 160411104. Its totient is φ = 89955840.

The previous prime is 122971351. The next prime is 122971367. The reversal of 122971355 is 553179221.

It is not a de Polignac number, because 122971355 - 2² = 122971351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122971351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886 + ... + 15795.

It is an arithmetic number, because the mean of its divisors is an integer number (10025694).

Almost surely, 2^122971355 is an apocalyptic number.

122971355 is a deficient number, since it is larger than the sum of its proper divisors (37439749).

122971355 is a wasteful number, since it uses less digits than its factorization.

122971355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17806.

The product of its digits is 18900, while the sum is 35.

The square root of 122971355 is about 11089.2450148782. The cubic root of 122971355 is about 497.2803740903.

The spelling of 122971355 in words is "one hundred twenty-two million, nine hundred seventy-one thousand, three hundred fifty-five".