1187748160 has 28 divisors (see below), whose sum is σ = 2828326068. Its totient is φ = 475099136.

The previous prime is 1187748131. The next prime is 1187748169. The reversal of 1187748160 is 618477811.

It can be written as a sum of positive squares in 2 ways, for example, as 633428224 + 554319936 = 25168^2 + 23544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187748169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855537 + ... + 1856176.

Almost surely, 2^1187748160 is an apocalyptic number.

1187748160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1187748160 is an abundant number, since it is smaller than the sum of its proper divisors (1640577908).

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

1187748160 is an equidigital number, since it uses as much as digits as its factorization.

1187748160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711730 (or 3711720 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 1187748160 is about 34463.7223758549. The cubic root of 1187748160 is about 1059.0296566789.

The spelling of 1187748160 in words is "one billion, one hundred eighty-seven million, seven hundred forty-eight thousand, one hundred sixty".