120001331 has 8 divisors (see below), whose sum is σ = 120808800. Its totient is φ = 119197120.

The previous prime is 120001313. The next prime is 120001337. The reversal of 120001331 is 133100021.

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 120001331 - 2¹⁴ = 119984947 is a prime.

It is a super-2 number, since 2×120001331² = 28800638883543122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001337) 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, 142610 + ... + 143448.

It is an arithmetic number, because the mean of its divisors is an integer number (15101100).

Almost surely, 2^120001331 is an apocalyptic number.

120001331 is a deficient number, since it is larger than the sum of its proper divisors (807469).

120001331 is an equidigital number, since it uses as much as digits as its factorization.

120001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 120001331 is about 10954.5119014952. The cubic root of 120001331 is about 493.2442384862.

Adding to 120001331 its reverse (133100021), we get a palindrome (253101352).

It can be divided in two parts, 12000 and 1331, that added together give a palindrome (13331).

The spelling of 120001331 in words is "one hundred twenty million, one thousand, three hundred thirty-one".