1113430987 has 12 divisors (see below), whose sum is σ = 1156414576. Its totient is φ = 1071746640.

The previous prime is 1113430957. The next prime is 1113430993. The reversal of 1113430987 is 7890343111.

It is not a de Polignac number, because 1113430987 - 2¹⁵ = 1113398219 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1113430957) 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 11 ways as a sum of consecutive naturals, for example, 130618 + ... + 138880.

Almost surely, 2^1113430987 is an apocalyptic number.

1113430987 is a deficient number, since it is larger than the sum of its proper divisors (42983589).

1113430987 is an frugal number, since it uses more digits than its factorization.

1113430987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418 (or 8371 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1113430987 is about 33368.1133269473. The cubic root of 1113430987 is about 1036.4645069322.

The spelling of 1113430987 in words is "one billion, one hundred thirteen million, four hundred thirty thousand, nine hundred eighty-seven".