1251882 has 32 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 411264.

The previous prime is 1251881. The next prime is 1251907. The reversal of 1251882 is 2881521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1251881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5119 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2^1251882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1251882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411200).

1251882 is an abundant number, since it is smaller than the sum of its proper divisors (1570518).

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

1251882 is a wasteful number, since it uses less digits than its factorization.

1251882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 1251882 is about 1118.8753281756. The cubic root of 1251882 is about 107.7757693402.

The spelling of 1251882 in words is "one million, two hundred fifty-one thousand, eight hundred eighty-two".