121372572 has 24 divisors (see below), whose sum is σ = 284052496. Its totient is φ = 40336128.

The previous prime is 121372567. The next prime is 121372579. The reversal of 121372572 is 275273121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121372579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10963 + ... + 19050.

Almost surely, 2^121372572 is an apocalyptic number.

121372572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121372572 is an abundant number, since it is smaller than the sum of its proper divisors (162679924).

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

121372572 is a wasteful number, since it uses less digits than its factorization.

121372572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30357 (or 30355 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 121372572 is about 11016.9220746994. The cubic root of 121372572 is about 495.1158753314.

The spelling of 121372572 in words is "one hundred twenty-one million, three hundred seventy-two thousand, five hundred seventy-two".