122039217 has 24 divisors (see below), whose sum is σ = 183927744. Its totient is φ = 80861328.

The previous prime is 122039201. The next prime is 122039233. The reversal of 122039217 is 712930221.

It is an interprime number because it is at equal distance from previous prime (122039201) and next prime (122039233).

It is not a de Polignac number, because 122039217 - 2⁴ = 122039201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122039297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40588 + ... + 43490.

It is an arithmetic number, because the mean of its divisors is an integer number (7663656).

Almost surely, 2^122039217 is an apocalyptic number.

It is an amenable number.

122039217 is a deficient number, since it is larger than the sum of its proper divisors (61888527).

122039217 is an equidigital number, since it uses as much as digits as its factorization.

122039217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 122039217 is about 11047.1361447209. The cubic root of 122039217 is about 496.0207037512.

Adding to 122039217 its reverse (712930221), we get a palindrome (834969438).

The spelling of 122039217 in words is "one hundred twenty-two million, thirty-nine thousand, two hundred seventeen".