122110638 has 16 divisors (see below), whose sum is σ = 263007696. Its totient is φ = 37572480.

The previous prime is 122110633. The next prime is 122110661. The reversal of 122110638 is 836011221.

It is a super-2 number, since 2×122110638² = 29822015825534088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110633) 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, 782683 + ... + 782838.

It is an arithmetic number, because the mean of its divisors is an integer number (16437981).

Almost surely, 2^122110638 is an apocalyptic number.

122110638 is an abundant number, since it is smaller than the sum of its proper divisors (140897058).

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

122110638 is a wasteful number, since it uses less digits than its factorization.

122110638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565539.

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

The square root of 122110638 is about 11050.3682291587. The cubic root of 122110638 is about 496.1174469320.

Adding to 122110638 its reverse (836011221), we get a palindrome (958121859).

The spelling of 122110638 in words is "one hundred twenty-two million, one hundred ten thousand, six hundred thirty-eight".