122113403 has 4 divisors (see below), whose sum is σ = 126324240. Its totient is φ = 117902568.

The previous prime is 122113391. The next prime is 122113423. The reversal of 122113403 is 304311221.

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 122113403 - 2¹² = 122109307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122113423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105375 + ... + 2105432.

It is an arithmetic number, because the mean of its divisors is an integer number (31581060).

Almost surely, 2^122113403 is an apocalyptic number.

122113403 is a deficient number, since it is larger than the sum of its proper divisors (4210837).

122113403 is an equidigital number, since it uses as much as digits as its factorization.

122113403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210836.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 122113403 is about 11050.4933374035. The cubic root of 122113403 is about 496.1211914989.

Adding to 122113403 its reverse (304311221), we get a palindrome (426424624).

The spelling of 122113403 in words is "one hundred twenty-two million, one hundred thirteen thousand, four hundred three".