1190775972 has 12 divisors (see below), whose sum is σ = 2778477296. Its totient is φ = 396925320.

The previous prime is 1190775967. The next prime is 1190775979. The reversal of 1190775972 is 2795770911.

1190775972 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1190775979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49615654 + ... + 49615677.

Almost surely, 2^1190775972 is an apocalyptic number.

1190775972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1190775972 is an abundant number, since it is smaller than the sum of its proper divisors (1587701324).

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

1190775972 is a wasteful number, since it uses less digits than its factorization.

1190775972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99231338 (or 99231336 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 48.

The square root of 1190775972 is about 34507.6219406670. The cubic root of 1190775972 is about 1059.9287871941.

The spelling of 1190775972 in words is "one billion, one hundred ninety million, seven hundred seventy-five thousand, nine hundred seventy-two".