1187234056 has 16 divisors (see below), whose sum is σ = 2322849600. Its totient is φ = 567807504.

The previous prime is 1187234047. The next prime is 1187234071. The reversal of 1187234056 is 6504327811.

It is a super-2 number, since 2×1187234056² = 2819049407452422272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225996 + ... + 3226363.

It is an arithmetic number, because the mean of its divisors is an integer number (145178100).

Almost surely, 2^1187234056 is an apocalyptic number.

It is an amenable number.

1187234056 is a deficient number, since it is larger than the sum of its proper divisors (1135615544).

1187234056 is a wasteful number, since it uses less digits than its factorization.

1187234056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452388 (or 6452384 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1187234056 is about 34456.2629430413. The cubic root of 1187234056 is about 1058.8768381008.

The spelling of 1187234056 in words is "one billion, one hundred eighty-seven million, two hundred thirty-four thousand, fifty-six".