1504128873 has 16 divisors (see below), whose sum is σ = 2286821376. Its totient is φ = 871169280.

The previous prime is 1504128811. The next prime is 1504128887. The reversal of 1504128873 is 3788214051.

It is not a de Polignac number, because 1504128873 - 2⁶ = 1504128809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1504128803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133673 + ... + 1134998.

It is an arithmetic number, because the mean of its divisors is an integer number (142926336).

Almost surely, 2^1504128873 is an apocalyptic number.

1504128873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1504128873 is a deficient number, since it is larger than the sum of its proper divisors (782692503).

1504128873 is a wasteful number, since it uses less digits than its factorization.

1504128873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268704.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1504128873 is about 38783.1003531177. The cubic root of 1504128873 is about 1145.7635869457.

The spelling of 1504128873 in words is "one billion, five hundred four million, one hundred twenty-eight thousand, eight hundred seventy-three".