1042240122 has 96 divisors (see below), whose sum is σ = 2919780864. Its totient is φ = 270702000.

The previous prime is 1042240081. The next prime is 1042240139. The reversal of 1042240122 is 2210422401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1042240095 and 1042240104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23497 + ... + 51347.

It is an arithmetic number, because the mean of its divisors is an integer number (30414384).

Almost surely, 2^1042240122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042240122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459890432).

1042240122 is an abundant number, since it is smaller than the sum of its proper divisors (1877540742).

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

1042240122 is a wasteful number, since it uses less digits than its factorization.

1042240122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27886 (or 27874 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1042240122 is about 32283.7439278656. The cubic root of 1042240122 is about 1013.8863182662.

Adding to 1042240122 its reverse (2210422401), we get a palindrome (3252662523).

The spelling of 1042240122 in words is "one billion, forty-two million, two hundred forty thousand, one hundred twenty-two".