1487902131 has 12 divisors (see below), whose sum is σ = 2242635408. Its totient is φ = 948807024.

The previous prime is 1487902121. The next prime is 1487902181. The reversal of 1487902131 is 1312097841.

It is a happy number.

It is not a de Polignac number, because 1487902131 - 2⁵ = 1487902099 is a prime.

It is a super-2 number, since 2×1487902131² = 4427705502868682322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1487902121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3593760 + ... + 3594173.

It is an arithmetic number, because the mean of its divisors is an integer number (186886284).

Almost surely, 2^1487902131 is an apocalyptic number.

1487902131 is a deficient number, since it is larger than the sum of its proper divisors (754733277).

1487902131 is a wasteful number, since it uses less digits than its factorization.

1487902131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187962 (or 7187959 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1487902131 is about 38573.3344552944. The cubic root of 1487902131 is about 1141.6284644495.

Adding to 1487902131 its reverse (1312097841), we get a palindrome (2799999972).

The spelling of 1487902131 in words is "one billion, four hundred eighty-seven million, nine hundred two thousand, one hundred thirty-one".