1140251 has 16 divisors (see below), whose sum is σ = 1391040. Its totient is φ = 913920.

The previous prime is 1140239. The next prime is 1140253. The reversal of 1140251 is 1520411.

It is not a de Polignac number, because 1140251 - 2¹⁰ = 1139227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140253) 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, 8255 + ... + 8391.

It is an arithmetic number, because the mean of its divisors is an integer number (86940).

2^1140251 is an apocalyptic number.

1140251 is a deficient number, since it is larger than the sum of its proper divisors (250789).

1140251 is a wasteful number, since it uses less digits than its factorization.

1140251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1140251 is about 1067.8253602533. The cubic root of 1140251 is about 104.4720589508.

Adding to 1140251 its reverse (1520411), we get a palindrome (2660662).

The spelling of 1140251 in words is "one million, one hundred forty thousand, two hundred fifty-one".