1147056233 has 4 divisors (see below), whose sum is σ = 1147597140. Its totient is φ = 1146515328.

The previous prime is 1147056199. The next prime is 1147056247. The reversal of 1147056233 is 3326507411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 520204864 + 626851369 = 22808^2 + 25037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147056233 - 2²⁰ = 1146007657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1147056233.

It is not an unprimeable number, because it can be changed into a prime (1147056133) 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, 267260 + ... + 271517.

It is an arithmetic number, because the mean of its divisors is an integer number (286899285).

Almost surely, 2^1147056233 is an apocalyptic number.

It is an amenable number.

1147056233 is a deficient number, since it is larger than the sum of its proper divisors (540907).

1147056233 is an equidigital number, since it uses as much as digits as its factorization.

1147056233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540906.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1147056233 is about 33868.2186274980. The cubic root of 1147056233 is about 1046.7948316398.

The spelling of 1147056233 in words is "one billion, one hundred forty-seven million, fifty-six thousand, two hundred thirty-three".