39121112 has 8 divisors (see below), whose sum is σ = 73352100. Its totient is φ = 19560552.

The previous prime is 39121051. The next prime is 39121129. The reversal of 39121112 is 21112193.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×39121112² = 3060922808233088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445062 + ... + 2445077.

Almost surely, 2^39121112 is an apocalyptic number.

It is an amenable number.

39121112 is a deficient number, since it is larger than the sum of its proper divisors (34230988).

39121112 is a wasteful number, since it uses less digits than its factorization.

39121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890145 (or 4890141 counting only the distinct ones).

The product of its digits is 108, while the sum is 20.

The square root of 39121112 is about 6254.6872024107. The cubic root of 39121112 is about 339.4718212083.

The spelling of 39121112 in words is "thirty-nine million, one hundred twenty-one thousand, one hundred twelve".