1120251 has 16 divisors (see below), whose sum is σ = 1653120. Its totient is φ = 669120.

The previous prime is 1120237. The next prime is 1120271. The reversal of 1120251 is 1520211.

It is not a de Polignac number, because 1120251 - 2⁵ = 1120219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2535 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1120251 is an apocalyptic number.

1120251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1120251 is a deficient number, since it is larger than the sum of its proper divisors (532869).

1120251 is a wasteful number, since it uses less digits than its factorization.

1120251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1120251 is about 1058.4191041360. The cubic root of 1120251 is about 103.8576392910.

Adding to 1120251 its reverse (1520211), we get a palindrome (2640462).

The spelling of 1120251 in words is "one million, one hundred twenty thousand, two hundred fifty-one".