122973820 has 12 divisors (see below), whose sum is σ = 258245064. Its totient is φ = 49189520.

The previous prime is 122973811. The next prime is 122973821. The reversal of 122973820 is 28379221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122973821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074326 + ... + 3074365.

It is an arithmetic number, because the mean of its divisors is an integer number (21520422).

Almost surely, 2^122973820 is an apocalyptic number.

122973820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122973820 is an abundant number, since it is smaller than the sum of its proper divisors (135271244).

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

122973820 is a wasteful number, since it uses less digits than its factorization.

122973820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148700 (or 6148698 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 122973820 is about 11089.3561580463. The cubic root of 122973820 is about 497.2836967826.

The spelling of 122973820 in words is "one hundred twenty-two million, nine hundred seventy-three thousand, eight hundred twenty".