37961121 has 16 divisors (see below), whose sum is σ = 56564928. Its totient is φ = 22444800.

The previous prime is 37961111. The next prime is 37961123. The reversal of 37961121 is 12116973.

It is not a de Polignac number, because 37961121 - 2⁵ = 37961089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37961123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12676 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (3535308).

Almost surely, 2^37961121 is an apocalyptic number.

It is an amenable number.

37961121 is a deficient number, since it is larger than the sum of its proper divisors (18603807).

37961121 is a wasteful number, since it uses less digits than its factorization.

37961121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28112.

The product of its digits is 2268, while the sum is 30.

The square root of 37961121 is about 6161.2596926278. The cubic root of 37961121 is about 336.0828434473.

The spelling of 37961121 in words is "thirty-seven million, nine hundred sixty-one thousand, one hundred twenty-one".