1113430920 has 192 divisors, whose sum is σ = 4055080320. Its totient is φ = 243403776.

The previous prime is 1113430919. The next prime is 1113430933. The reversal of 1113430920 is 290343111.

It is a super-2 number, since 2×1113430920² = 2479456827224092800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 131124 + ... + 139356.

It is an arithmetic number, because the mean of its divisors is an integer number (21120210).

Almost surely, 2^1113430920 is an apocalyptic number.

1113430920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113430920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027540160).

1113430920 is an abundant number, since it is smaller than the sum of its proper divisors (2941649400).

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

1113430920 is a wasteful number, since it uses less digits than its factorization.

1113430920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284 (or 8273 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1113430920 is about 33368.1123229948. The cubic root of 1113430920 is about 1036.4644861427.

The spelling of 1113430920 in words is "one billion, one hundred thirteen million, four hundred thirty thousand, nine hundred twenty".