1242361792 has 56 divisors (see below), whose sum is σ = 2832445440. Its totient is φ = 529616640.

The previous prime is 1242361789. The next prime is 1242361801. The reversal of 1242361792 is 2971632421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 78309 + ... + 92827.

Almost surely, 2^1242361792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242361792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416222720).

1242361792 is an abundant number, since it is smaller than the sum of its proper divisors (1590083648).

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

1242361792 is a wasteful number, since it uses less digits than its factorization.

1242361792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14729 (or 14719 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 1242361792 is about 35247.1529630409. The cubic root of 1242361792 is about 1075.0187246062.

The spelling of 1242361792 in words is "one billion, two hundred forty-two million, three hundred sixty-one thousand, seven hundred ninety-two".