1131320672 has 12 divisors (see below), whose sum is σ = 2227287636. Its totient is φ = 565660320.

The previous prime is 1131320623. The next prime is 1131320681. The reversal of 1131320672 is 2760231311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17676854 + ... + 17676917.

It is an arithmetic number, because the mean of its divisors is an integer number (185607303).

Almost surely, 2^1131320672 is an apocalyptic number.

It is an amenable number.

1131320672 is a deficient number, since it is larger than the sum of its proper divisors (1095966964).

1131320672 is an equidigital number, since it uses as much as digits as its factorization.

1131320672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35353781 (or 35353773 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1131320672 is about 33635.1107029544. The cubic root of 1131320672 is about 1041.9860569431.

Adding to 1131320672 its reverse (2760231311), we get a palindrome (3891551983).

The spelling of 1131320672 in words is "one billion, one hundred thirty-one million, three hundred twenty thousand, six hundred seventy-two".