1180912061 has 4 divisors (see below), whose sum is σ = 1349613792. Its totient is φ = 1012210332.

The previous prime is 1180912049. The next prime is 1180912063. The reversal of 1180912061 is 1602190811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1180912061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180912063) 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, 84350855 + ... + 84350868.

It is an arithmetic number, because the mean of its divisors is an integer number (337403448).

Almost surely, 2^1180912061 is an apocalyptic number.

It is an amenable number.

1180912061 is a deficient number, since it is larger than the sum of its proper divisors (168701731).

1180912061 is an equidigital number, since it uses as much as digits as its factorization.

1180912061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168701730.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1180912061 is about 34364.4010714577. The cubic root of 1180912061 is about 1056.9939935459.

The spelling of 1180912061 in words is "one billion, one hundred eighty million, nine hundred twelve thousand, sixty-one".