1501115 has 24 divisors (see below), whose sum is σ = 2290032. Its totient is φ = 934080.

The previous prime is 1501081. The next prime is 1501139. The reversal of 1501115 is 5111051.

It is not a de Polignac number, because 1501115 - 2⁸ = 1500859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1501115.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2417 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (95418).

2^1501115 is an apocalyptic number.

1501115 is a deficient number, since it is larger than the sum of its proper divisors (788917).

1501115 is a wasteful number, since it uses less digits than its factorization.

1501115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1501115 is about 1225.1999836761. The cubic root of 1501115 is about 114.4997807055.

Adding to 1501115 its reverse (5111051), we get a palindrome (6612166).

The spelling of 1501115 in words is "one million, five hundred one thousand, one hundred fifteen".