122331635 has 4 divisors (see below), whose sum is σ = 146797968. Its totient is φ = 97865304.

The previous prime is 122331631. The next prime is 122331661. The reversal of 122331635 is 536133221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 536133221 = 13 ⋅41241017.

It is a cyclic number.

It is not a de Polignac number, because 122331635 - 2² = 122331631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122331631) 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, 12233159 + ... + 12233168.

It is an arithmetic number, because the mean of its divisors is an integer number (36699492).

Almost surely, 2^122331635 is an apocalyptic number.

122331635 is a deficient number, since it is larger than the sum of its proper divisors (24466333).

122331635 is an equidigital number, since it uses as much as digits as its factorization.

122331635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24466332.

The product of its digits is 3240, while the sum is 26.

The square root of 122331635 is about 11060.3632399664. The cubic root of 122331635 is about 496.4165592584.

Adding to 122331635 its reverse (536133221), we get a palindrome (658464856).

The spelling of 122331635 in words is "one hundred twenty-two million, three hundred thirty-one thousand, six hundred thirty-five".