1187025072 has 20 divisors (see below), whose sum is σ = 3066481560. Its totient is φ = 395675008.

The previous prime is 1187025067. The next prime is 1187025079. The reversal of 1187025072 is 2705207811.

It is not an unprimeable number, because it can be changed into a prime (1187025079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12364797 + ... + 12364892.

It is an arithmetic number, because the mean of its divisors is an integer number (153324078).

Almost surely, 2^1187025072 is an apocalyptic number.

1187025072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1187025072 is an abundant number, since it is smaller than the sum of its proper divisors (1879456488).

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

1187025072 is a wasteful number, since it uses less digits than its factorization.

1187025072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24729700 (or 24729694 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 1187025072 is about 34453.2302114040. The cubic root of 1187025072 is about 1058.8147045219.

The spelling of 1187025072 in words is "one billion, one hundred eighty-seven million, twenty-five thousand, seventy-two".