11972120 has 32 divisors (see below), whose sum is σ = 27075600. Its totient is φ = 4764288.

The previous prime is 11972113. The next prime is 11972141. The reversal of 11972120 is 2127911.

11972120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8507 + ... + 9813.

Almost surely, 2^11972120 is an apocalyptic number.

11972120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11972120 is an abundant number, since it is smaller than the sum of its proper divisors (15103480).

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

11972120 is a wasteful number, since it uses less digits than its factorization.

11972120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11972120 is about 3460.0751436927. The cubic root of 11972120 is about 228.7654075043.

The spelling of 11972120 in words is "eleven million, nine hundred seventy-two thousand, one hundred twenty".