122492417 has 4 divisors (see below), whose sum is σ = 122616276. Its totient is φ = 122368560.

The previous prime is 122492407. The next prime is 122492431. The reversal of 122492417 is 714294221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115261696 + 7230721 = 10736^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 122492417 - 2⁴ = 122492401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122492407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60434 + ... + 62427.

It is an arithmetic number, because the mean of its divisors is an integer number (30654069).

Almost surely, 2^122492417 is an apocalyptic number.

It is an amenable number.

122492417 is a deficient number, since it is larger than the sum of its proper divisors (123859).

122492417 is an equidigital number, since it uses as much as digits as its factorization.

122492417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123858.

The product of its digits is 8064, while the sum is 32.

The square root of 122492417 is about 11067.6292402664. The cubic root of 122492417 is about 496.6339462151.

The spelling of 122492417 in words is "one hundred twenty-two million, four hundred ninety-two thousand, four hundred seventeen".