1200056886 has 24 divisors (see below), whose sum is σ = 2971569744. Its totient is φ = 342873360.

The previous prime is 1200056863. The next prime is 1200056933. The reversal of 1200056886 is 6886500021.

It is a happy number.

1200056886 is a `hidden beast` number, since 12 + 0 + 0 + 0 + 568 + 86 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1200056886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4762005 + ... + 4762256.

It is an arithmetic number, because the mean of its divisors is an integer number (123815406).

Almost surely, 2^1200056886 is an apocalyptic number.

1200056886 is an abundant number, since it is smaller than the sum of its proper divisors (1771512858).

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

1200056886 is a wasteful number, since it uses less digits than its factorization.

1200056886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524276 (or 9524273 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1200056886 is about 34641.8372203323. The cubic root of 1200056886 is about 1062.6753606938.

It can be divided in two parts, 12000 and 56886, that added together give a palindrome (68886).

The spelling of 1200056886 in words is "one billion, two hundred million, fifty-six thousand, eight hundred eighty-six".