1128654603 has 12 divisors (see below), whose sum is σ = 1682868928. Its totient is φ = 728164080.

The previous prime is 1128654581. The next prime is 1128654613. The reversal of 1128654603 is 3064568211.

It is a happy number.

1128654603 is a `hidden beast` number, since 112 + 86 + 5 + 460 + 3 = 666.

It is not a de Polignac number, because 1128654603 - 2⁸ = 1128654347 is a prime.

It is a super-2 number, since 2×1128654603² = 2547722425746175218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128654613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2022400 + ... + 2022957.

Almost surely, 2^1128654603 is an apocalyptic number.

1128654603 is a deficient number, since it is larger than the sum of its proper divisors (554214325).

1128654603 is a wasteful number, since it uses less digits than its factorization.

1128654603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045394 (or 4045391 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1128654603 is about 33595.4550944023. The cubic root of 1128654603 is about 1041.1668987471.

The spelling of 1128654603 in words is "one billion, one hundred twenty-eight million, six hundred fifty-four thousand, six hundred three".