1242970922 has 16 divisors (see below), whose sum is σ = 1950549120. Its totient is φ = 592927632.

The previous prime is 1242970921. The next prime is 1242970931. The reversal of 1242970922 is 2290792421.

It is not an unprimeable number, because it can be changed into a prime (1242970921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16838 + ... + 52625.

It is an arithmetic number, because the mean of its divisors is an integer number (121909320).

Almost surely, 2^1242970922 is an apocalyptic number.

1242970922 is a deficient number, since it is larger than the sum of its proper divisors (707578198).

1242970922 is a wasteful number, since it uses less digits than its factorization.

1242970922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69877.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1242970922 is about 35255.7927438882. The cubic root of 1242970922 is about 1075.1943897972.

The spelling of 1242970922 in words is "one billion, two hundred forty-two million, nine hundred seventy thousand, nine hundred twenty-two".