1861252 has 12 divisors (see below), whose sum is σ = 3398976. Its totient is φ = 890120.

The previous prime is 1861219. The next prime is 1861253. The reversal of 1861252 is 2521681.

It is not an unprimeable number, because it can be changed into a prime (1861253) 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, 10024 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (283248).

2^1861252 is an apocalyptic number.

It is an amenable number.

1861252 is a deficient number, since it is larger than the sum of its proper divisors (1537724).

1861252 is a wasteful number, since it uses less digits than its factorization.

1861252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20258 (or 20256 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1861252 is about 1364.2770979533. The cubic root of 1861252 is about 123.0084820202.

The spelling of 1861252 in words is "one million, eight hundred sixty-one thousand, two hundred fifty-two".