122909092021 has 8 divisors (see below), whose sum is σ = 124267042944. Its totient is φ = 121555016640.

The previous prime is 122909091997. The next prime is 122909092049. The reversal of 122909092021 is 120290909221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122909092021 - 2²¹ = 122906994869 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 (122909092091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905085 + ... + 1031986.

It is an arithmetic number, because the mean of its divisors is an integer number (15533380368).

Almost surely, 2^122909092021 is an apocalyptic number.

It is an amenable number.

122909092021 is a deficient number, since it is larger than the sum of its proper divisors (1357950923).

122909092021 is a wasteful number, since it uses less digits than its factorization.

122909092021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937771.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 122909092021 in words is "one hundred twenty-two billion, nine hundred nine million, ninety-two thousand, twenty-one".