1518081 has 8 divisors (see below), whose sum is σ = 2130720. Its totient is φ = 958752.

The previous prime is 1518071. The next prime is 1518089. The reversal of 1518081 is 1808151.

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

It is not a de Polignac number, because 1518081 - 2⁹ = 1517569 is a prime.

It is a super-2 number, since 2×1518081² = 4609139845122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1518089) 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, 13260 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (266340).

2^1518081 is an apocalyptic number.

It is an amenable number.

1518081 is a deficient number, since it is larger than the sum of its proper divisors (612639).

1518081 is a wasteful number, since it uses less digits than its factorization.

1518081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26655.

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 1518081 is about 1232.1042975333. The cubic root of 1518081 is about 114.9295346515.

The spelling of 1518081 in words is "one million, five hundred eighteen thousand, eighty-one".