122978022 has 16 divisors (see below), whose sum is σ = 251676480. Its totient is φ = 40039272.

The previous prime is 122978003. The next prime is 122978027. The reversal of 122978022 is 220879221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122978027) 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 7 ways as a sum of consecutive naturals, for example, 238072 + ... + 238587.

It is an arithmetic number, because the mean of its divisors is an integer number (15729780).

Almost surely, 2^122978022 is an apocalyptic number.

122978022 is an abundant number, since it is smaller than the sum of its proper divisors (128698458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122978022 is a wasteful number, since it uses less digits than its factorization.

122978022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476707.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 122978022 is about 11089.5456173822. The cubic root of 122978022 is about 497.2893607586.

Adding to 122978022 its product of nonzero digits (8064), we get a triangular number (122986086 = T₁₅₆₈₃).

The spelling of 122978022 in words is "one hundred twenty-two million, nine hundred seventy-eight thousand, twenty-two".