1178257272 has 32 divisors (see below), whose sum is σ = 2946488400. Its totient is φ = 392639744.

The previous prime is 1178257261. The next prime is 1178257277. The reversal of 1178257272 is 2727528711.

1178257272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178257277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148018 + ... + 155774.

Almost surely, 2^1178257272 is an apocalyptic number.

1178257272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1178257272 is an abundant number, since it is smaller than the sum of its proper divisors (1768231128).

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

1178257272 is a wasteful number, since it uses less digits than its factorization.

1178257272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14095 (or 14091 counting only the distinct ones).

The product of its digits is 109760, while the sum is 42.

The square root of 1178257272 is about 34325.7523151351. The cubic root of 1178257272 is about 1056.2013289805.

The spelling of 1178257272 in words is "one billion, one hundred seventy-eight million, two hundred fifty-seven thousand, two hundred seventy-two".