122546061021 has 8 divisors (see below), whose sum is σ = 163473729120. Its totient is φ = 81657883472.

The previous prime is 122546061017. The next prime is 122546061023. The reversal of 122546061021 is 120160645221.

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 122546061021 - 2² = 122546061017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122546061021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122546061023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9865395 + ... + 9877808.

It is an arithmetic number, because the mean of its divisors is an integer number (20434216140).

Almost surely, 2^122546061021 is an apocalyptic number.

It is an amenable number.

122546061021 is a deficient number, since it is larger than the sum of its proper divisors (40927668099).

122546061021 is a wasteful number, since it uses less digits than its factorization.

122546061021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19745275.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 122546061021 in words is "one hundred twenty-two billion, five hundred forty-six million, sixty-one thousand, twenty-one".