1137731212 has 12 divisors (see below), whose sum is σ = 1997392936. Its totient is φ = 567047520.

The previous prime is 1137731197. The next prime is 1137731227. The reversal of 1137731212 is 2121377311.

It is an interprime number because it is at equal distance from previous prime (1137731197) and next prime (1137731227).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453114 + ... + 455617.

Almost surely, 2^1137731212 is an apocalyptic number.

It is an amenable number.

1137731212 is a deficient number, since it is larger than the sum of its proper divisors (859661724).

1137731212 is a wasteful number, since it uses less digits than its factorization.

1137731212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909048 (or 909046 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 1137731212 is about 33730.2714486557. The cubic root of 1137731212 is about 1043.9504620192.

The spelling of 1137731212 in words is "one billion, one hundred thirty-seven million, seven hundred thirty-one thousand, two hundred twelve".