1251875 has 10 divisors (see below), whose sum is σ = 1565124. Its totient is φ = 1001000.

The previous prime is 1251871. The next prime is 1251881. The reversal of 1251875 is 5781521.

It is not a de Polignac number, because 1251875 - 2² = 1251871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1251871) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 377 + ... + 1626.

2^1251875 is an apocalyptic number.

1251875 is a deficient number, since it is larger than the sum of its proper divisors (313249).

1251875 is an frugal number, since it uses more digits than its factorization.

1251875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2008 counting only the distinct ones).

The product of its digits is 2800, while the sum is 29.

The square root of 1251875 is about 1118.8722000300. The cubic root of 1251875 is about 107.7755684608.

The spelling of 1251875 in words is "one million, two hundred fifty-one thousand, eight hundred seventy-five".