122609403 has 32 divisors (see below), whose sum is σ = 210539520. Its totient is φ = 69068160.

The previous prime is 122609387. The next prime is 122609411. The reversal of 122609403 is 304906221.

122609403 is a `hidden beast` number, since 12 + 2 + 609 + 40 + 3 = 666.

It is not a de Polignac number, because 122609403 - 2⁴ = 122609387 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 (122607403) 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, 8851 + ... + 17987.

It is an arithmetic number, because the mean of its divisors is an integer number (6579360).

Almost surely, 2^122609403 is an apocalyptic number.

122609403 is a deficient number, since it is larger than the sum of its proper divisors (87930117).

122609403 is an equidigital number, since it uses as much as digits as its factorization.

122609403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224 (or 9218 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 122609403 is about 11072.9130313572. The cubic root of 122609403 is about 496.7919988093.

The spelling of 122609403 in words is "one hundred twenty-two million, six hundred nine thousand, four hundred three".