1158124120 has 16 divisors (see below), whose sum is σ = 2605779360. Its totient is φ = 463249632.

The previous prime is 1158124103. The next prime is 1158124141. The reversal of 1158124120 is 214218511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14476512 + ... + 14476591.

It is an arithmetic number, because the mean of its divisors is an integer number (162861210).

Almost surely, 2^1158124120 is an apocalyptic number.

1158124120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158124120 is an abundant number, since it is smaller than the sum of its proper divisors (1447655240).

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

1158124120 is a wasteful number, since it uses less digits than its factorization.

1158124120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28953114 (or 28953110 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1158124120 is about 34031.2227226704. Note that the first 3 decimals coincide. The cubic root of 1158124120 is about 1050.1508838349.

The spelling of 1158124120 in words is "one billion, one hundred fifty-eight million, one hundred twenty-four thousand, one hundred twenty".