1128556274 has 12 divisors (see below), whose sum is σ = 1703116014. Its totient is φ = 560871504.

The previous prime is 1128556213. The next prime is 1128556279. The reversal of 1128556274 is 4726558211.

It can be written as a sum of positive squares in only one way, i.e., 954501025 + 174055249 = 30895^2 + 13193^2 .

It is not an unprimeable number, because it can be changed into a prime (1128556279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45662 + ... + 65894.

Almost surely, 2^1128556274 is an apocalyptic number.

1128556274 is a deficient number, since it is larger than the sum of its proper divisors (574559740).

1128556274 is an equidigital number, since it uses as much as digits as its factorization.

1128556274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20569 (or 20402 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 1128556274 is about 33593.9916354100. The cubic root of 1128556274 is about 1041.1366621944.

The spelling of 1128556274 in words is "one billion, one hundred twenty-eight million, five hundred fifty-six thousand, two hundred seventy-four".