1875220 has 12 divisors (see below), whose sum is σ = 3938004. Its totient is φ = 750080.

The previous prime is 1875191. The next prime is 1875229. The reversal of 1875220 is 225781.

1875220 = T₄₂₃ + T₄₂₄ + ... + T₄₄₂.

It can be written as a sum of positive squares in 2 ways, for example, as 367236 + 1507984 = 606^2 + 1228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1875229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46861 + ... + 46900.

It is an arithmetic number, because the mean of its divisors is an integer number (328167).

2^1875220 is an apocalyptic number.

1875220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1875220 is an abundant number, since it is smaller than the sum of its proper divisors (2062784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1875220 is a wasteful number, since it uses less digits than its factorization.

1875220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93770 (or 93768 counting only the distinct ones).

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

The square root of 1875220 is about 1369.3867240484. The cubic root of 1875220 is about 123.3154263426.

The spelling of 1875220 in words is "one million, eight hundred seventy-five thousand, two hundred twenty".