122455403 has 8 divisors (see below), whose sum is σ = 148181472. Its totient is φ = 98787456.

The previous prime is 122455391. The next prime is 122455433. The reversal of 122455403 is 304554221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122455403 - 2⁸ = 122455147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122455433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514400 + ... + 514637.

It is an arithmetic number, because the mean of its divisors is an integer number (18522684).

Almost surely, 2^122455403 is an apocalyptic number.

122455403 is a deficient number, since it is larger than the sum of its proper divisors (25726069).

122455403 is a wasteful number, since it uses less digits than its factorization.

122455403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029061.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 122455403 is about 11065.9569400933. The cubic root of 122455403 is about 496.5839179189.

The spelling of 122455403 in words is "one hundred twenty-two million, four hundred fifty-five thousand, four hundred three".