1147396573 has 4 divisors (see below), whose sum is σ = 1149351840. Its totient is φ = 1145441308.

The previous prime is 1147396559. The next prime is 1147396577. The reversal of 1147396573 is 3756937411.

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 cyclic number.

It is not a de Polignac number, because 1147396573 - 2²⁵ = 1113842141 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 (1147396577) 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, 976753 + ... + 977926.

It is an arithmetic number, because the mean of its divisors is an integer number (287337960).

Almost surely, 2^1147396573 is an apocalyptic number.

It is an amenable number.

1147396573 is a deficient number, since it is larger than the sum of its proper divisors (1955267).

1147396573 is an equidigital number, since it uses as much as digits as its factorization.

1147396573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955266.

The product of its digits is 476280, while the sum is 46.

The square root of 1147396573 is about 33873.2427293284. The cubic root of 1147396573 is about 1046.8983519710.

The spelling of 1147396573 in words is "one billion, one hundred forty-seven million, three hundred ninety-six thousand, five hundred seventy-three".