1242858084 has 48 divisors (see below), whose sum is σ = 3258874752. Its totient is φ = 365789952.

The previous prime is 1242858059. The next prime is 1242858101. The reversal of 1242858084 is 4808582421.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 169609 + ... + 176784.

It is an arithmetic number, because the mean of its divisors is an integer number (67893224).

Almost surely, 2^1242858084 is an apocalyptic number.

It is an amenable number.

1242858084 is an abundant number, since it is smaller than the sum of its proper divisors (2016016668).

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

1242858084 is a wasteful number, since it uses less digits than its factorization.

1242858084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346436 (or 346434 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The square root of 1242858084 is about 35254.1924315393. The cubic root of 1242858084 is about 1075.1618531133.

The spelling of 1242858084 in words is "one billion, two hundred forty-two million, eight hundred fifty-eight thousand, eighty-four".