122021042 has 48 divisors (see below), whose sum is σ = 222305472. Its totient is φ = 49757760.

The previous prime is 122021041. The next prime is 122021051. The reversal of 122021042 is 240120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137123 + ... + 138009.

It is an arithmetic number, because the mean of its divisors is an integer number (4631364).

Almost surely, 2^122021042 is an apocalyptic number.

122021042 is a deficient number, since it is larger than the sum of its proper divisors (100284430).

122021042 is a wasteful number, since it uses less digits than its factorization.

122021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 122021042 is about 11046.3135027031. The cubic root of 122021042 is about 495.9960788148.

Adding to 122021042 its reverse (240120221), we get a palindrome (362141263).

The spelling of 122021042 in words is "one hundred twenty-two million, twenty-one thousand, forty-two".