120021401 has 8 divisors (see below), whose sum is σ = 124528320. Its totient is φ = 115539088.

The previous prime is 120021379. The next prime is 120021413. The reversal of 120021401 is 104120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120021401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120021101) 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, 4100 + ... + 16026.

It is an arithmetic number, because the mean of its divisors is an integer number (15566040).

Almost surely, 2^120021401 is an apocalyptic number.

It is an amenable number.

120021401 is a deficient number, since it is larger than the sum of its proper divisors (4506919).

120021401 is a wasteful number, since it uses less digits than its factorization.

120021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12303.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 120021401 is about 10955.4279240932. The cubic root of 120021401 is about 493.2717350146.

Adding to 120021401 its reverse (104120021), we get a palindrome (224141422).

The spelling of 120021401 in words is "one hundred twenty million, twenty-one thousand, four hundred one".