1242476886 has 32 divisors (see below), whose sum is σ = 2843343360. Its totient is φ = 354568896.

The previous prime is 1242476881. The next prime is 1242476903. The reversal of 1242476886 is 6886742421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242476881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18735 + ... + 53253.

It is an arithmetic number, because the mean of its divisors is an integer number (88854480).

Almost surely, 2^1242476886 is an apocalyptic number.

1242476886 is an abundant number, since it is smaller than the sum of its proper divisors (1600866474).

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

1242476886 is a wasteful number, since it uses less digits than its factorization.

1242476886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35388.

The product of its digits is 1032192, while the sum is 48.

The square root of 1242476886 is about 35248.7855961025. The cubic root of 1242476886 is about 1075.0519206219.

The spelling of 1242476886 in words is "one billion, two hundred forty-two million, four hundred seventy-six thousand, eight hundred eighty-six".