122997020 has 12 divisors (see below), whose sum is σ = 258293784. Its totient is φ = 49198800.

The previous prime is 122997019. The next prime is 122997037. The reversal of 122997020 is 20799221.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3074906 + ... + 3074945.

It is an arithmetic number, because the mean of its divisors is an integer number (21524482).

Almost surely, 2^122997020 is an apocalyptic number.

122997020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122997020 is an abundant number, since it is smaller than the sum of its proper divisors (135296764).

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

122997020 is a wasteful number, since it uses less digits than its factorization.

122997020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149860 (or 6149858 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 122997020 is about 11090.4021568201. The cubic root of 122997020 is about 497.3149670056.

The spelling of 122997020 in words is "one hundred twenty-two million, nine hundred ninety-seven thousand, twenty".