1191710460 has 48 divisors (see below), whose sum is σ = 3338308512. Its totient is φ = 317644800.

The previous prime is 1191710449. The next prime is 1191710479. The reversal of 1191710460 is 640171911.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223020 + ... + 228300.

It is an arithmetic number, because the mean of its divisors is an integer number (69548094).

Almost surely, 2^1191710460 is an apocalyptic number.

1191710460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1191710460 is an abundant number, since it is smaller than the sum of its proper divisors (2146598052).

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

1191710460 is a wasteful number, since it uses less digits than its factorization.

1191710460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054 (or 9052 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 1191710460 is about 34521.1595981363. The cubic root of 1191710460 is about 1060.2059822796.

The spelling of 1191710460 in words is "one billion, one hundred ninety-one million, seven hundred ten thousand, four hundred sixty".