1128453264 has 30 divisors (see below), whose sum is σ = 3158102246. Its totient is φ = 376151040.

The previous prime is 1128453253. The next prime is 1128453281. The reversal of 1128453264 is 4623548211.

It is a happy number.

1128453264 is a `hidden beast` number, since 112 + 8 + 4 + 532 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 829440000 + 299013264 = 28800^2 + 17292^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3918097 + ... + 3918384.

Almost surely, 2^1128453264 is an apocalyptic number.

It is an amenable number.

1128453264 is an abundant number, since it is smaller than the sum of its proper divisors (2029648982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128453264 is a wasteful number, since it uses less digits than its factorization.

1128453264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836495 (or 7836486 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 1128453264 is about 33592.4584393581. The cubic root of 1128453264 is about 1041.1049843321.

The spelling of 1128453264 in words is "one billion, one hundred twenty-eight million, four hundred fifty-three thousand, two hundred sixty-four".