120081331 has 4 divisors (see below), whose sum is σ = 120528000. Its totient is φ = 119634664.

The previous prime is 120081307. The next prime is 120081347. The reversal of 120081331 is 133180021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133180021 = 13 ⋅10244617.

It is a cyclic number.

It is not a de Polignac number, because 120081331 - 2¹³ = 120073139 is a prime.

It is a super-2 number, since 2×120081331² = 28839052109463122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120081299 and 120081308.

It is not an unprimeable number, because it can be changed into a prime (120081301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222931 + ... + 223468.

It is an arithmetic number, because the mean of its divisors is an integer number (30132000).

Almost surely, 2^120081331 is an apocalyptic number.

120081331 is a deficient number, since it is larger than the sum of its proper divisors (446669).

120081331 is an equidigital number, since it uses as much as digits as its factorization.

120081331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446668.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 120081331 is about 10958.1627565938. The cubic root of 120081331 is about 493.3538227530.

The spelling of 120081331 in words is "one hundred twenty million, eighty-one thousand, three hundred thirty-one".