122868829 has 4 divisors (see below), whose sum is σ = 128210976. Its totient is φ = 117526684.

The previous prime is 122868799. The next prime is 122868871. The reversal of 122868829 is 928868221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122868829 - 2¹⁷ = 122737757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122868899) 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, 2671039 + ... + 2671084.

It is an arithmetic number, because the mean of its divisors is an integer number (32052744).

Almost surely, 2^122868829 is an apocalyptic number.

It is an amenable number.

122868829 is a deficient number, since it is larger than the sum of its proper divisors (5342147).

122868829 is an equidigital number, since it uses as much as digits as its factorization.

122868829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342146.

The product of its digits is 221184, while the sum is 46.

The square root of 122868829 is about 11084.6212835622. The cubic root of 122868829 is about 497.1421350037.

It can be divided in two parts, 12286 and 8829, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 122868829 in words is "one hundred twenty-two million, eight hundred sixty-eight thousand, eight hundred twenty-nine".