52122126 has 16 divisors (see below), whose sum is σ = 119136384. Its totient is φ = 14892024.

The previous prime is 52122113. The next prime is 52122127. The reversal of 52122126 is 62122125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52122127) 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, 620460 + ... + 620543.

It is an arithmetic number, because the mean of its divisors is an integer number (7446024).

Almost surely, 2^52122126 is an apocalyptic number.

52122126 is an abundant number, since it is smaller than the sum of its proper divisors (67014258).

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

52122126 is a wasteful number, since it uses less digits than its factorization.

52122126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241015.

The product of its digits is 480, while the sum is 21.

The square root of 52122126 is about 7219.5654993912. The cubic root of 52122126 is about 373.5430902116.

Subtracting 52122126 from its reverse (62122125), we obtain a palindrome (9999999).

The spelling of 52122126 in words is "fifty-two million, one hundred twenty-two thousand, one hundred twenty-six".