1128954225 has 48 divisors (see below), whose sum is σ = 2142973952. Its totient is φ = 513725760.

The previous prime is 1128954157. The next prime is 1128954257. The reversal of 1128954225 is 5224598211.

It is not a de Polignac number, because 1128954225 - 2⁷ = 1128954097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112254 + ... + 121896.

Almost surely, 2^1128954225 is an apocalyptic number.

1128954225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1128954225 is a deficient number, since it is larger than the sum of its proper divisors (1014019727).

1128954225 is a wasteful number, since it uses less digits than its factorization.

1128954225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886 (or 9881 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 1128954225 is about 33599.9140623901. The cubic root of 1128954225 is about 1041.2590228587.

The spelling of 1128954225 in words is "one billion, one hundred twenty-eight million, nine hundred fifty-four thousand, two hundred twenty-five".