1180012272 has 80 divisors (see below), whose sum is σ = 3200271360. Its totient is φ = 374169600.

The previous prime is 1180012199. The next prime is 1180012333. The reversal of 1180012272 is 2722100811.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81072 + ... + 94512.

It is an arithmetic number, because the mean of its divisors is an integer number (40003392).

Almost surely, 2^1180012272 is an apocalyptic number.

1180012272 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 1180012272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600135680).

1180012272 is an abundant number, since it is smaller than the sum of its proper divisors (2020259088).

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

1180012272 is a wasteful number, since it uses less digits than its factorization.

1180012272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542 (or 13536 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1180012272 is about 34351.3067000369. The cubic root of 1180012272 is about 1056.7254685483.

The spelling of 1180012272 in words is "one billion, one hundred eighty million, twelve thousand, two hundred seventy-two".