1187982360 has 96 divisors (see below), whose sum is σ = 3918648240. Its totient is φ = 312060672.

The previous prime is 1187982349. The next prime is 1187982379. The reversal of 1187982360 is 632897811.

It is a super-2 number, since 2×1187982360² = 2822604175342339200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507 + ... + 48746.

Almost surely, 2^1187982360 is an apocalyptic number.

1187982360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1187982360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959324120).

1187982360 is an abundant number, since it is smaller than the sum of its proper divisors (2730665880).

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

1187982360 is a wasteful number, since it uses less digits than its factorization.

1187982360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49337 (or 49330 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1187982360 is about 34467.1199841240. The cubic root of 1187982360 is about 1059.0992585395.

The spelling of 1187982360 in words is "one billion, one hundred eighty-seven million, nine hundred eighty-two thousand, three hundred sixty".