1013130987 has 16 divisors (see below), whose sum is σ = 1501452288. Its totient is φ = 602432480.

The previous prime is 1013130971. The next prime is 1013131073. The reversal of 1013130987 is 7890313101.

It is a cyclic number.

It is not a de Polignac number, because 1013130987 - 2⁴ = 1013130971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1013130907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287883 + ... + 291380.

It is an arithmetic number, because the mean of its divisors is an integer number (93840768).

Almost surely, 2^1013130987 is an apocalyptic number.

1013130987 is a deficient number, since it is larger than the sum of its proper divisors (488321301).

1013130987 is a wasteful number, since it uses less digits than its factorization.

1013130987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579330.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 1013130987 is about 31829.7186132708. The cubic root of 1013130987 is about 1004.3579761220.

The spelling of 1013130987 in words is "one billion, thirteen million, one hundred thirty thousand, nine hundred eighty-seven".