1022121942 has 16 divisors (see below), whose sum is σ = 2064092160. Its totient is φ = 337399272.

The previous prime is 1022121941. The next prime is 1022121977. The reversal of 1022121942 is 2491212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022121941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826342 + ... + 827577.

It is an arithmetic number, because the mean of its divisors is an integer number (129005760).

Almost surely, 2^1022121942 is an apocalyptic number.

1022121942 is an abundant number, since it is smaller than the sum of its proper divisors (1041970218).

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

1022121942 is a wasteful number, since it uses less digits than its factorization.

1022121942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654027.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1022121942 is about 31970.6418765717. The cubic root of 1022121942 is about 1007.3202636516.

The spelling of 1022121942 in words is "one billion, twenty-two million, one hundred twenty-one thousand, nine hundred forty-two".