122089421 has 8 divisors (see below), whose sum is σ = 128656800. Its totient is φ = 115536240.

The previous prime is 122089411. The next prime is 122089423. The reversal of 122089421 is 124980221.

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 122089421 - 2¹⁰ = 122088397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122089423) 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, 17306 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (16082100).

Almost surely, 2^122089421 is an apocalyptic number.

It is an amenable number.

122089421 is a deficient number, since it is larger than the sum of its proper divisors (6567379).

122089421 is a wasteful number, since it uses less digits than its factorization.

122089421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7099.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 122089421 is about 11049.4081741965. The cubic root of 122089421 is about 496.0887114241.

The spelling of 122089421 in words is "one hundred twenty-two million, eighty-nine thousand, four hundred twenty-one".