1128263154 has 32 divisors (see below), whose sum is σ = 2388640320. Its totient is φ = 354672192.

The previous prime is 1128263119. The next prime is 1128263161. The reversal of 1128263154 is 4513628211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67917 + ... + 82880.

It is an arithmetic number, because the mean of its divisors is an integer number (74645010).

Almost surely, 2^1128263154 is an apocalyptic number.

1128263154 is an abundant number, since it is smaller than the sum of its proper divisors (1260377166).

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

1128263154 is a wasteful number, since it uses less digits than its factorization.

1128263154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150874.

The product of its digits is 11520, while the sum is 33.

The square root of 1128263154 is about 33589.6286671943. The cubic root of 1128263154 is about 1041.0465162234.

The spelling of 1128263154 in words is "one billion, one hundred twenty-eight million, two hundred sixty-three thousand, one hundred fifty-four".