122402399 has 8 divisors (see below), whose sum is σ = 139967520. Its totient is φ = 104857056.

The previous prime is 122402377. The next prime is 122402407. The reversal of 122402399 is 993204221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122402399 - 2⁸ = 122402143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122402369) 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, 12377 + ... + 19949.

It is an arithmetic number, because the mean of its divisors is an integer number (17495940).

Almost surely, 2^122402399 is an apocalyptic number.

122402399 is a deficient number, since it is larger than the sum of its proper divisors (17565121).

122402399 is an equidigital number, since it uses as much as digits as its factorization.

122402399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 122402399 is about 11063.5617682553. The cubic root of 122402399 is about 496.5122599061.

The spelling of 122402399 in words is "one hundred twenty-two million, four hundred two thousand, three hundred ninety-nine".