1147039597 has 4 divisors (see below), whose sum is σ = 1251315936. Its totient is φ = 1042763260.

The previous prime is 1147039571. The next prime is 1147039603. The reversal of 1147039597 is 7959307411.

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-1147039597 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 (1147009597) 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, 52138153 + ... + 52138174.

It is an arithmetic number, because the mean of its divisors is an integer number (312828984).

Almost surely, 2^1147039597 is an apocalyptic number.

It is an amenable number.

1147039597 is a deficient number, since it is larger than the sum of its proper divisors (104276339).

1147039597 is a wasteful number, since it uses less digits than its factorization.

1147039597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104276338.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 1147039597 is about 33867.9730276260. The cubic root of 1147039597 is about 1046.7897709862.

The spelling of 1147039597 in words is "one billion, one hundred forty-seven million, thirty-nine thousand, five hundred ninety-seven".