122402415 has 32 divisors (see below), whose sum is σ = 202954752. Its totient is φ = 62928000.

The previous prime is 122402411. The next prime is 122402437. The reversal of 122402415 is 514204221.

It is not a de Polignac number, because 122402415 - 2² = 122402411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122402391 and 122402400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122402411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214080 + ... + 214650.

It is an arithmetic number, because the mean of its divisors is an integer number (6342336).

Almost surely, 2^122402415 is an apocalyptic number.

122402415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122402415 is a deficient number, since it is larger than the sum of its proper divisors (80552337).

122402415 is a wasteful number, since it uses less digits than its factorization.

122402415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 122402415 is about 11063.5624913497. The cubic root of 122402415 is about 496.5122815402.

Adding to 122402415 its reverse (514204221), we get a palindrome (636606636).

The spelling of 122402415 in words is "one hundred twenty-two million, four hundred two thousand, four hundred fifteen".