1178025012 has 48 divisors (see below), whose sum is σ = 3062431680. Its totient is φ = 391608864.

The previous prime is 1178025001. The next prime is 1178025049. The reversal of 1178025012 is 2105208711.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 25663 + ... + 54905.

It is an arithmetic number, because the mean of its divisors is an integer number (63800660).

Almost surely, 2^1178025012 is an apocalyptic number.

1178025012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1178025012 is an abundant number, since it is smaller than the sum of its proper divisors (1884406668).

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

1178025012 is a wasteful number, since it uses less digits than its factorization.

1178025012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29629 (or 29621 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 1178025012 is about 34322.3689741836. The cubic root of 1178025012 is about 1056.1319243757.

The spelling of 1178025012 in words is "one billion, one hundred seventy-eight million, twenty-five thousand, twelve".