1158000912 has 120 divisors (see below), whose sum is σ = 3309216768. Its totient is φ = 377932800.

The previous prime is 1158000901. The next prime is 1158000929. The reversal of 1158000912 is 2190008511.

It is a super-2 number, since 2×1158000912² = 2681932224385663488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1952488 + ... + 1953080.

Almost surely, 2^1158000912 is an apocalyptic number.

1158000912 is a gapful number since it is divisible by the number (12) 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 1158000912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654608384).

1158000912 is an abundant number, since it is smaller than the sum of its proper divisors (2151215856).

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

1158000912 is a wasteful number, since it uses less digits than its factorization.

1158000912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 1158000912 is about 34029.4124545223. The cubic root of 1158000912 is about 1050.1136421218.

The spelling of 1158000912 in words is "one billion, one hundred fifty-eight million, nine hundred twelve", and thus it is an aban number.