122403321 has 12 divisors (see below), whose sum is σ = 176906340. Its totient is φ = 81555360.

The previous prime is 122403317. The next prime is 122403367. The reversal of 122403321 is 123304221.

It can be written as a sum of positive squares in 2 ways, for example, as 98783721 + 23619600 = 9939^2 + 4860^2 .

It is not a de Polignac number, because 122403321 - 2² = 122403317 is a prime.

122403321 is a modest number, since divided by 3321 gives 1224 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 122403294 and 122403303.

It is not an unprimeable number, because it can be changed into a prime (122403821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20995 + ... + 26183.

It is an arithmetic number, because the mean of its divisors is an integer number (14742195).

Almost surely, 2^122403321 is an apocalyptic number.

It is an amenable number.

122403321 is a deficient number, since it is larger than the sum of its proper divisors (54503019).

122403321 is a wasteful number, since it uses less digits than its factorization.

122403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816 (or 7813 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 122403321 is about 11063.6034364939. The cubic root of 122403321 is about 496.5135065678.

Adding to 122403321 its reverse (123304221), we get a palindrome (245707542).

The spelling of 122403321 in words is "one hundred twenty-two million, four hundred three thousand, three hundred twenty-one".