122402501 has 16 divisors (see below), whose sum is σ = 135374400. Its totient is φ = 109980288.

The previous prime is 122402491. The next prime is 122402519. The reversal of 122402501 is 105204221.

It is a cyclic number.

It is not a de Polignac number, because 122402501 - 2⁶ = 122402437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122402501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122402551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76730 + ... + 78308.

It is an arithmetic number, because the mean of its divisors is an integer number (8460900).

Almost surely, 2^122402501 is an apocalyptic number.

It is an amenable number.

122402501 is a deficient number, since it is larger than the sum of its proper divisors (12971899).

122402501 is a wasteful number, since it uses less digits than its factorization.

122402501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122402501 is about 11063.5663779814. The cubic root of 122402501 is about 496.5123978234.

Adding to 122402501 its reverse (105204221), we get a palindrome (227606722).

It can be divided in two parts, 12240 and 2501, that added together give a palindrome (14741).

The spelling of 122402501 in words is "one hundred twenty-two million, four hundred two thousand, five hundred one".