1172472263 has 4 divisors (see below), whose sum is σ = 1172665560. Its totient is φ = 1172278968.

The previous prime is 1172472253. The next prime is 1172472281. The reversal of 1172472263 is 3622742711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1172472263 - 2⁴ = 1172472247 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 (1172472253) 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, 87245 + ... + 99782.

It is an arithmetic number, because the mean of its divisors is an integer number (293166390).

Almost surely, 2^1172472263 is an apocalyptic number.

1172472263 is a deficient number, since it is larger than the sum of its proper divisors (193297).

1172472263 is an equidigital number, since it uses as much as digits as its factorization.

1172472263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193296.

The product of its digits is 28224, while the sum is 35.

The square root of 1172472263 is about 34241.3823173072. The cubic root of 1172472263 is about 1054.4699127176.

The spelling of 1172472263 in words is "one billion, one hundred seventy-two million, four hundred seventy-two thousand, two hundred sixty-three".