1177192242 has 18 divisors (see below), whose sum is σ = 2550898623. Its totient is φ = 392348892.

The previous prime is 1177192223. The next prime is 1177192277. The reversal of 1177192242 is 2422917711.

It can be written as a sum of positive squares in only one way, i.e., 588596121 + 588596121 = 24261^2 + 24261^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24261.

It is a junction number, because it is equal to n+sod(n) for n = 1177192197 and 1177192206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 141523 + ... + 149609.

Almost surely, 2^1177192242 is an apocalyptic number.

1177192242 is an abundant number, since it is smaller than the sum of its proper divisors (1373706381).

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

1177192242 is an frugal number, since it uses more digits than its factorization.

1177192242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182 (or 8092 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 1177192242 is about 34310.2352367337. The cubic root of 1177192242 is about 1055.8829986160.

Multiplying 1177192242 by its product of digits (14112), we get a square (16612536919104 = 4075848²).

The spelling of 1177192242 in words is "one billion, one hundred seventy-seven million, one hundred ninety-two thousand, two hundred forty-two".