122974488 has 144 divisors (see below), whose sum is σ = 412928880. Its totient is φ = 32196096.

The previous prime is 122974463. The next prime is 122974499. The reversal of 122974488 is 884479221.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 897556 + ... + 897692.

Almost surely, 2^122974488 is an apocalyptic number.

122974488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122974488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206464440).

122974488 is an abundant number, since it is smaller than the sum of its proper divisors (289954392).

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

122974488 is a wasteful number, since it uses less digits than its factorization.

122974488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 162 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 122974488 is about 11089.3862769767. The cubic root of 122974488 is about 497.2845972044.

The spelling of 122974488 in words is "one hundred twenty-two million, nine hundred seventy-four thousand, four hundred eighty-eight".