122602421 has 4 divisors (see below), whose sum is σ = 129055200. Its totient is φ = 116149644.

The previous prime is 122602379. The next prime is 122602451. The reversal of 122602421 is 124206221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122602421 - 2¹⁰ = 122601397 is a prime.

It is a super-2 number, since 2×122602421² = 30062707270122482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122602393 and 122602402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122602451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226361 + ... + 3226398.

It is an arithmetic number, because the mean of its divisors is an integer number (32263800).

Almost surely, 2^122602421 is an apocalyptic number.

It is an amenable number.

122602421 is a deficient number, since it is larger than the sum of its proper divisors (6452779).

122602421 is an equidigital number, since it uses as much as digits as its factorization.

122602421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452778.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 122602421 is about 11072.5977530117. The cubic root of 122602421 is about 496.7825686800.

Adding to 122602421 its reverse (124206221), we get a palindrome (246808642).

The spelling of 122602421 in words is "one hundred twenty-two million, six hundred two thousand, four hundred twenty-one".