1080015 has 16 divisors (see below), whose sum is σ = 1749600. Its totient is φ = 568832.

The previous prime is 1080007. The next prime is 1080029. The reversal of 1080015 is 5100801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1080015 - 2³ = 1080007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1079976 and 1080003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (109350).

2^1080015 is an apocalyptic number.

1080015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1080015 is a deficient number, since it is larger than the sum of its proper divisors (669585).

1080015 is an equidigital number, since it uses as much as digits as its factorization.

1080015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1080015 is about 1039.2377013946. The cubic root of 1080015 is about 102.5990317917.

Adding to 1080015 its reverse (5100801), we get a palindrome (6180816).

The spelling of 1080015 in words is "one million, eighty thousand, fifteen".