1242475722 has 24 divisors (see below), whose sum is σ = 2778871680. Its totient is φ = 400798440.

The previous prime is 1242475679. The next prime is 1242475727. The reversal of 1242475722 is 2275742421.

1242475722 is a `hidden beast` number, since 1 + 2 + 42 + 47 + 572 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1242475727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112772 + ... + 1113887.

It is an arithmetic number, because the mean of its divisors is an integer number (115786320).

Almost surely, 2^1242475722 is an apocalyptic number.

1242475722 is an abundant number, since it is smaller than the sum of its proper divisors (1536395958).

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

1242475722 is a wasteful number, since it uses less digits than its factorization.

1242475722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226698 (or 2226695 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 1242475722 is about 35248.7690848915. The cubic root of 1242475722 is about 1075.0515849052.

The spelling of 1242475722 in words is "one billion, two hundred forty-two million, four hundred seventy-five thousand, seven hundred twenty-two".