122402421024 has 96 divisors (see below), whose sum is σ = 347128838784. Its totient is φ = 37541836800.

The previous prime is 122402420999. The next prime is 122402421041. The reversal of 122402421024 is 420124204221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 122402420985 and 122402421003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233949 + ... + 547299.

It is an arithmetic number, because the mean of its divisors is an integer number (3615925404).

Almost surely, 2^122402421024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122402421024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173564419392).

122402421024 is an abundant number, since it is smaller than the sum of its proper divisors (224726417760).

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

122402421024 is a wasteful number, since it uses less digits than its factorization.

122402421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313690 (or 313682 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 122402421024 its reverse (420124204221), we get a palindrome (542526625245).

The spelling of 122402421024 in words is "one hundred twenty-two billion, four hundred two million, four hundred twenty-one thousand, twenty-four".