1872250 has 16 divisors (see below), whose sum is σ = 3505320. Its totient is φ = 748800.

The previous prime is 1872239. The next prime is 1872253. The reversal of 1872250 is 522781.

It can be written as a sum of positive squares in 4 ways, for example, as 552049 + 1320201 = 743^2 + 1149^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3495 + ... + 3994.

2^1872250 is an apocalyptic number.

1872250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1872250 is a deficient number, since it is larger than the sum of its proper divisors (1633070).

1872250 is an equidigital number, since it uses as much as digits as its factorization.

1872250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506 (or 7496 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1872250 is about 1368.3018672793. The cubic root of 1872250 is about 123.2502890357.

The spelling of 1872250 in words is "one million, eight hundred seventy-two thousand, two hundred fifty".