122138803 has 4 divisors (see below), whose sum is σ = 122287320. Its totient is φ = 121990288.

The previous prime is 122138771. The next prime is 122138831. The reversal of 122138803 is 308831221.

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

It is a cyclic number.

It is not a de Polignac number, because 122138803 - 2⁵ = 122138771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122138843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73018 + ... + 74671.

It is an arithmetic number, because the mean of its divisors is an integer number (30571830).

Almost surely, 2^122138803 is an apocalyptic number.

122138803 is a deficient number, since it is larger than the sum of its proper divisors (148517).

122138803 is an equidigital number, since it uses as much as digits as its factorization.

122138803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148516.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 122138803 is about 11051.6425476035. The cubic root of 122138803 is about 496.1555874084.

The spelling of 122138803 in words is "one hundred twenty-two million, one hundred thirty-eight thousand, eight hundred three".