1123266888 has 48 divisors (see below), whose sum is σ = 3078850320. Its totient is φ = 369909216.

The previous prime is 1123266877. The next prime is 1123266899. The reversal of 1123266888 is 8886623211.

It is an interprime number because it is at equal distance from previous prime (1123266877) and next prime (1123266899).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88006 + ... + 99957.

It is an arithmetic number, because the mean of its divisors is an integer number (64142715).

Almost surely, 2^1123266888 is an apocalyptic number.

1123266888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1123266888 is an abundant number, since it is smaller than the sum of its proper divisors (1955583432).

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

1123266888 is a wasteful number, since it uses less digits than its factorization.

1123266888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188058 (or 188051 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1123266888 is about 33515.1739962662. The cubic root of 1123266888 is about 1039.5075602592.

The spelling of 1123266888 in words is "one billion, one hundred twenty-three million, two hundred sixty-six thousand, eight hundred eighty-eight".