122041045421 has 16 divisors (see below), whose sum is σ = 128364897408. Its totient is φ = 115881192000.

The previous prime is 122041045393. The next prime is 122041045433. The reversal of 122041045421 is 124540140221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122041045421 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 (122041045921) 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 15 ways as a sum of consecutive naturals, for example, 1846496 + ... + 1911446.

It is an arithmetic number, because the mean of its divisors is an integer number (8022806088).

Almost surely, 2^122041045421 is an apocalyptic number.

It is an amenable number.

122041045421 is a deficient number, since it is larger than the sum of its proper divisors (6323851987).

122041045421 is a wasteful number, since it uses less digits than its factorization.

122041045421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66212.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 122041045421 its reverse (124540140221), we get a palindrome (246581185642).

The spelling of 122041045421 in words is "one hundred twenty-two billion, forty-one million, forty-five thousand, four hundred twenty-one".