1251162 has 48 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 369600.

The previous prime is 1251161. The next prime is 1251179. The reversal of 1251162 is 2611521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251161) 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 23 ways as a sum of consecutive naturals, for example, 14014 + ... + 14102.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2^1251162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1251162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516320).

1251162 is an abundant number, since it is smaller than the sum of its proper divisors (1781478).

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

1251162 is a wasteful number, since it uses less digits than its factorization.

1251162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 176 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 1251162 is about 1118.5535302345. The cubic root of 1251162 is about 107.7551035386.

Adding to 1251162 its reverse (2611521), we get a palindrome (3862683).

The spelling of 1251162 in words is "one million, two hundred fifty-one thousand, one hundred sixty-two".