1242613772 has 12 divisors (see below), whose sum is σ = 2233346640. Its totient is φ = 604514736.

The previous prime is 1242613741. The next prime is 1242613789. The reversal of 1242613772 is 2773162421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197872 + ... + 4198167.

It is an arithmetic number, because the mean of its divisors is an integer number (186112220).

Almost surely, 2^1242613772 is an apocalyptic number.

It is an amenable number.

1242613772 is a deficient number, since it is larger than the sum of its proper divisors (990732868).

1242613772 is a wasteful number, since it uses less digits than its factorization.

1242613772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396080 (or 8396078 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 1242613772 is about 35250.7272549092. The cubic root of 1242613772 is about 1075.0913993317.

The spelling of 1242613772 in words is "one billion, two hundred forty-two million, six hundred thirteen thousand, seven hundred seventy-two".