1387102072 has 16 divisors (see below), whose sum is σ = 2639635560. Its totient is φ = 683199264.

The previous prime is 1387102069. The next prime is 1387102111. The reversal of 1387102072 is 2702017831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293403 + ... + 1294474.

Almost surely, 2^1387102072 is an apocalyptic number.

It is an amenable number.

1387102072 is a deficient number, since it is larger than the sum of its proper divisors (1252533488).

1387102072 is a wasteful number, since it uses less digits than its factorization.

1387102072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587950 (or 2587946 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1387102072 is about 37243.8192456144. The cubic root of 1387102072 is about 1115.2429165014.

The spelling of 1387102072 in words is "one billion, three hundred eighty-seven million, one hundred two thousand, seventy-two".