122974236 has 216 divisors, whose sum is σ = 404724320. Its totient is φ = 30792960.

The previous prime is 122974223. The next prime is 122974309. The reversal of 122974236 is 632479221.

122974236 is a `hidden beast` number, since 1 + 229 + 7 + 423 + 6 = 666.

122974236 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

122974236 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 122974236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1128150 + ... + 1128258.

Almost surely, 2^122974236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122974236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202362160).

122974236 is an abundant number, since it is smaller than the sum of its proper divisors (281750084).

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

122974236 is a wasteful number, since it uses less digits than its factorization.

122974236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 169 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 122974236 is about 11089.3749147551. The cubic root of 122974236 is about 497.2842575247.

The spelling of 122974236 in words is "one hundred twenty-two million, nine hundred seventy-four thousand, two hundred thirty-six".