1187430264 has 48 divisors (see below), whose sum is σ = 3260025600. Its totient is φ = 390386304.

The previous prime is 1187430241. The next prime is 1187430281. The reversal of 1187430264 is 4620347811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107704 + ... + 118215.

It is an arithmetic number, because the mean of its divisors is an integer number (67917200).

Almost surely, 2^1187430264 is an apocalyptic number.

It is an amenable number.

1187430264 is an abundant number, since it is smaller than the sum of its proper divisors (2072595336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1187430264 is a wasteful number, since it uses less digits than its factorization.

1187430264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226004 (or 225997 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1187430264 is about 34459.1100291345. The cubic root of 1187430264 is about 1058.9351665777.

The spelling of 1187430264 in words is "one billion, one hundred eighty-seven million, four hundred thirty thousand, two hundred sixty-four".