1191460975 has 12 divisors (see below), whose sum is σ = 1525071040. Its totient is φ = 922420800.

The previous prime is 1191460961. The next prime is 1191460979. The reversal of 1191460975 is 5790641911.

It is a happy number.

It is not a de Polignac number, because 1191460975 - 2⁹ = 1191460463 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191460979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 767910 + ... + 769459.

Almost surely, 2^1191460975 is an apocalyptic number.

1191460975 is a deficient number, since it is larger than the sum of its proper divisors (333610065).

1191460975 is a wasteful number, since it uses less digits than its factorization.

1191460975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537410 (or 1537405 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1191460975 is about 34517.5459005996. The cubic root of 1191460975 is about 1060.1319922855.

The spelling of 1191460975 in words is "one billion, one hundred ninety-one million, four hundred sixty thousand, nine hundred seventy-five".