1501125 has 16 divisors (see below), whose sum is σ = 2498496. Its totient is φ = 800400.

The previous prime is 1501081. The next prime is 1501139. The reversal of 1501125 is 5211051.

It is not a de Polignac number, because 1501125 - 2⁷ = 1500997 is a prime.

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (156156).

2^1501125 is an apocalyptic number.

1501125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1501125 is a deficient number, since it is larger than the sum of its proper divisors (997371).

1501125 is an equidigital number, since it uses as much as digits as its factorization.

1501125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1501125 is about 1225.2040646358. The cubic root of 1501125 is about 114.5000349599.

Adding to 1501125 its reverse (5211051), we get a palindrome (6712176).

It can be divided in two parts, 150 and 1125, that added together give a triangular number (1275 = T₅₀).

The spelling of 1501125 in words is "one million, five hundred one thousand, one hundred twenty-five".