122889894901 has 8 divisors (see below), whose sum is σ = 126192164504. Its totient is φ = 119629163520.

The previous prime is 122889894851. The next prime is 122889894913. The reversal of 122889894901 is 109498988221.

It can be written as a sum of positive squares in 4 ways, for example, as 22906822500 + 99983072401 = 151350^2 + 316201^2 .

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 122889894901 - 2⁷ = 122889894773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122889894901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122889897901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10378560 + ... + 10390393.

It is an arithmetic number, because the mean of its divisors is an integer number (15774020563).

Almost surely, 2^122889894901 is an apocalyptic number.

It is an amenable number.

122889894901 is a deficient number, since it is larger than the sum of its proper divisors (3302269603).

122889894901 is an equidigital number, since it uses as much as digits as its factorization.

122889894901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20769111.

The product of its (nonzero) digits is 5971968, while the sum is 61.

The spelling of 122889894901 in words is "one hundred twenty-two billion, eight hundred eighty-nine million, eight hundred ninety-four thousand, nine hundred one".