1187341660 has 24 divisors (see below), whose sum is σ = 2504411280. Its totient is φ = 472842624.

The previous prime is 1187341651. The next prime is 1187341679. The reversal of 1187341660 is 661437811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126225 + ... + 135304.

It is an arithmetic number, because the mean of its divisors is an integer number (104350470).

Almost surely, 2^1187341660 is an apocalyptic number.

1187341660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1187341660 is an abundant number, since it is smaller than the sum of its proper divisors (1317069620).

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

1187341660 is a wasteful number, since it uses less digits than its factorization.

1187341660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261765 (or 261763 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1187341660 is about 34457.8243654471. The cubic root of 1187341660 is about 1058.9088272835.

The spelling of 1187341660 in words is "one billion, one hundred eighty-seven million, three hundred forty-one thousand, six hundred sixty".