122013403 has 16 divisors (see below), whose sum is σ = 133854336. Its totient is φ = 110759040.

The previous prime is 122013389. The next prime is 122013407. The reversal of 122013403 is 304310221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122013403 - 2⁵ = 122013371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122013407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59668 + ... + 61678.

It is an arithmetic number, because the mean of its divisors is an integer number (8365896).

Almost surely, 2^122013403 is an apocalyptic number.

122013403 is a deficient number, since it is larger than the sum of its proper divisors (11840933).

122013403 is a wasteful number, since it uses less digits than its factorization.

122013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122013403 is about 11045.9677258265. The cubic root of 122013403 is about 495.9857281598.

Adding to 122013403 its reverse (304310221), we get a palindrome (426323624).

The spelling of 122013403 in words is "one hundred twenty-two million, thirteen thousand, four hundred three".