1503873 has 32 divisors (see below), whose sum is σ = 2604800. Its totient is φ = 839808.

The previous prime is 1503863. The next prime is 1503881. The reversal of 1503873 is 3783051.

It is not a de Polignac number, because 1503873 - 2¹⁴ = 1487489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

1503873 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13743 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (81400).

2^1503873 is an apocalyptic number.

It is an amenable number.

1503873 is a deficient number, since it is larger than the sum of its proper divisors (1100927).

1503873 is a wasteful number, since it uses less digits than its factorization.

1503873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1503873 is about 1226.3249977066. The cubic root of 1503873 is about 114.5698613215.

The spelling of 1503873 in words is "one million, five hundred three thousand, eight hundred seventy-three".