1172561314 has 4 divisors (see below), whose sum is σ = 1758841974. Its totient is φ = 586280656.

The previous prime is 1172561279. The next prime is 1172561323. The reversal of 1172561314 is 4131652711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4131652711 = 193 ⋅21407527.

It can be written as a sum of positive squares in only one way, i.e., 785849089 + 386712225 = 28033^2 + 19665^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293140327 + ... + 293140330.

Almost surely, 2^1172561314 is an apocalyptic number.

1172561314 is a deficient number, since it is larger than the sum of its proper divisors (586280660).

1172561314 is an equidigital number, since it uses as much as digits as its factorization.

1172561314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586280659.

The product of its digits is 5040, while the sum is 31.

The square root of 1172561314 is about 34242.6826343965. The cubic root of 1172561314 is about 1054.4966082242.

The spelling of 1172561314 in words is "one billion, one hundred seventy-two million, five hundred sixty-one thousand, three hundred fourteen".