1125547408 has 10 divisors (see below), whose sum is σ = 2180748134. Its totient is φ = 562773696.

The previous prime is 1125547369. The next prime is 1125547421. The reversal of 1125547408 is 8047455211.

It can be written as a sum of positive squares in only one way, i.e., 982697104 + 142850304 = 31348^2 + 11952^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35173341 + ... + 35173372.

Almost surely, 2^1125547408 is an apocalyptic number.

It is an amenable number.

1125547408 is a deficient number, since it is larger than the sum of its proper divisors (1055200726).

1125547408 is an equidigital number, since it uses as much as digits as its factorization.

1125547408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70346721 (or 70346715 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 1125547408 is about 33549.1789467343. The cubic root of 1125547408 is about 1040.2105737321.

The spelling of 1125547408 in words is "one billion, one hundred twenty-five million, five hundred forty-seven thousand, four hundred eight".