1149725828 has 12 divisors (see below), whose sum is σ = 2012814300. Its totient is φ = 574636032.

The previous prime is 1149725779. The next prime is 1149725833. The reversal of 1149725828 is 8285279411.

It can be written as a sum of positive squares in 2 ways, for example, as 962364484 + 187361344 = 31022^2 + 13688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45053 + ... + 65796.

It is an arithmetic number, because the mean of its divisors is an integer number (167734525).

Almost surely, 2^1149725828 is an apocalyptic number.

It is an amenable number.

1149725828 is a deficient number, since it is larger than the sum of its proper divisors (863088472).

1149725828 is a wasteful number, since it uses less digits than its factorization.

1149725828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113446 (or 113444 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The square root of 1149725828 is about 33907.6072290570. The cubic root of 1149725828 is about 1047.6062865135.

The spelling of 1149725828 in words is "one billion, one hundred forty-nine million, seven hundred twenty-five thousand, eight hundred twenty-eight".