120409423621 has 8 divisors (see below), whose sum is σ = 120588804288. Its totient is φ = 120230100000.

The previous prime is 120409423609. The next prime is 120409423643. The reversal of 120409423621 is 126324904021.

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 120409423621 - 2¹³ = 120409415429 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 (120409423681) 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, 6086496 + ... + 6106246.

It is an arithmetic number, because the mean of its divisors is an integer number (15073600536).

Almost surely, 2^120409423621 is an apocalyptic number.

It is an amenable number.

120409423621 is a deficient number, since it is larger than the sum of its proper divisors (179380667).

120409423621 is an equidigital number, since it uses as much as digits as its factorization.

120409423621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28523.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 120409423621 in words is "one hundred twenty billion, four hundred nine million, four hundred twenty-three thousand, six hundred twenty-one".