122809633 has 4 divisors (see below), whose sum is σ = 122871060. Its totient is φ = 122748208.

The previous prime is 122809607. The next prime is 122809651. The reversal of 122809633 is 336908221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39853969 + 82955664 = 6313^2 + 9108^2 .

It is a cyclic number.

It is not a de Polignac number, because 122809633 - 2⁵ = 122809601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122809733) 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, 27610 + ... + 31747.

It is an arithmetic number, because the mean of its divisors is an integer number (30717765).

Almost surely, 2^122809633 is an apocalyptic number.

It is an amenable number.

122809633 is a deficient number, since it is larger than the sum of its proper divisors (61427).

122809633 is an equidigital number, since it uses as much as digits as its factorization.

122809633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61426.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 122809633 is about 11081.9507759239. The cubic root of 122809633 is about 497.0622841215.

The spelling of 122809633 in words is "one hundred twenty-two million, eight hundred nine thousand, six hundred thirty-three".