122534040 has 128 divisors (see below), whose sum is σ = 390297600. Its totient is φ = 30689280.

The previous prime is 122534023. The next prime is 122534057. The reversal of 122534040 is 40435221.

It is an interprime number because it is at equal distance from previous prime (122534023) and next prime (122534057).

It is a junction number, because it is equal to n+sod(n) for n = 122533998 and 122534016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508320 + ... + 508560.

It is an arithmetic number, because the mean of its divisors is an integer number (3049200).

Almost surely, 2^122534040 is an apocalyptic number.

122534040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122534040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195148800).

122534040 is an abundant number, since it is smaller than the sum of its proper divisors (267763560).

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

122534040 is a wasteful number, since it uses less digits than its factorization.

122534040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 122534040 is about 11069.5094742269. The cubic root of 122534040 is about 496.6901920201.

Adding to 122534040 its reverse (40435221), we get a palindrome (162969261).

The spelling of 122534040 in words is "one hundred twenty-two million, five hundred thirty-four thousand, forty".