122120403 has 4 divisors (see below), whose sum is σ = 162827208. Its totient is φ = 81413600.

The previous prime is 122120399. The next prime is 122120419. The reversal of 122120403 is 304021221.

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 122120403 - 2² = 122120399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122120303) 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, 20353398 + ... + 20353403.

It is an arithmetic number, because the mean of its divisors is an integer number (40706802).

Almost surely, 2^122120403 is an apocalyptic number.

122120403 is a deficient number, since it is larger than the sum of its proper divisors (40706805).

122120403 is an equidigital number, since it uses as much as digits as its factorization.

122120403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40706804.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122120403 is about 11050.8100608055. The cubic root of 122120403 is about 496.1306711626.

Adding to 122120403 its reverse (304021221), we get a palindrome (426141624).

The spelling of 122120403 in words is "one hundred twenty-two million, one hundred twenty thousand, four hundred three".