120015901 has 8 divisors (see below), whose sum is σ = 123760224. Its totient is φ = 116298000.

The previous prime is 120015899. The next prime is 120015919. The reversal of 120015901 is 109510021.

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 120015901 - 2¹ = 120015899 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 (120015941) 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, 2826 + ... + 15748.

It is an arithmetic number, because the mean of its divisors is an integer number (15470028).

Almost surely, 2^120015901 is an apocalyptic number.

It is an amenable number.

120015901 is a deficient number, since it is larger than the sum of its proper divisors (3744323).

120015901 is a wasteful number, since it uses less digits than its factorization.

120015901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13211.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 120015901 is about 10955.1769040942. The cubic root of 120015901 is about 493.2642001473.

Adding to 120015901 its reverse (109510021), we get a palindrome (229525922).

The spelling of 120015901 in words is "one hundred twenty million, fifteen thousand, nine hundred one".