1022125542 has 16 divisors (see below), whose sum is σ = 2070128640. Its totient is φ = 336395592.

The previous prime is 1022125537. The next prime is 1022125549. The reversal of 1022125542 is 2455212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022125549) 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, 1077718 + ... + 1078665.

It is an arithmetic number, because the mean of its divisors is an integer number (129383040).

Almost surely, 2^1022125542 is an apocalyptic number.

1022125542 is an abundant number, since it is smaller than the sum of its proper divisors (1048003098).

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

1022125542 is a wasteful number, since it uses less digits than its factorization.

1022125542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156467.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1022125542 is about 31970.6981781756. The cubic root of 1022125542 is about 1007.3214462726.

Adding to 1022125542 its reverse (2455212201), we get a palindrome (3477337743).

The spelling of 1022125542 in words is "one billion, twenty-two million, one hundred twenty-five thousand, five hundred forty-two".