1158272412 has 48 divisors (see below), whose sum is σ = 3050006400. Its totient is φ = 338887360.

The previous prime is 1158272393. The next prime is 1158272419. The reversal of 1158272412 is 2142728511.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158272419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147462 + ... + 155117.

It is an arithmetic number, because the mean of its divisors is an integer number (63541800).

Almost surely, 2^1158272412 is an apocalyptic number.

1158272412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1158272412 is an abundant number, since it is smaller than the sum of its proper divisors (1891733988).

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

1158272412 is a wasteful number, since it uses less digits than its factorization.

1158272412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302626 (or 302624 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 1158272412 is about 34033.4014168434. The cubic root of 1158272412 is about 1050.1957041110.

The spelling of 1158272412 in words is "one billion, one hundred fifty-eight million, two hundred seventy-two thousand, four hundred twelve".