1392037242 has 16 divisors (see below), whose sum is σ = 2930604960. Its totient is φ = 439590672.

The previous prime is 1392037217. The next prime is 1392037253. The reversal of 1392037242 is 2427302931.

It is a super-2 number, since 2×1392037242² = 3875535366229933128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6105313 + ... + 6105540.

It is an arithmetic number, because the mean of its divisors is an integer number (183162810).

Almost surely, 2^1392037242 is an apocalyptic number.

1392037242 is an abundant number, since it is smaller than the sum of its proper divisors (1538567718).

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

1392037242 is a wasteful number, since it uses less digits than its factorization.

1392037242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210877.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1392037242 is about 37310.0153042048. The cubic root of 1392037242 is about 1116.5639917873.

The spelling of 1392037242 in words is "one billion, three hundred ninety-two million, thirty-seven thousand, two hundred forty-two".