1116251 has 4 divisors (see below), whose sum is σ = 1124904. Its totient is φ = 1107600.

The previous prime is 1116229. The next prime is 1116257. The reversal of 1116251 is 1526111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1526111 = 281 ⋅5431.

It is a cyclic number.

It is not a de Polignac number, because 1116251 - 2⁶ = 1116187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (281226).

2^1116251 is an apocalyptic number.

1116251 is a deficient number, since it is larger than the sum of its proper divisors (8653).

1116251 is an equidigital number, since it uses as much as digits as its factorization.

1116251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652.

The product of its digits is 60, while the sum is 17.

The square root of 1116251 is about 1056.5278037042. The cubic root of 1116251 is about 103.7338795295.

The spelling of 1116251 in words is "one million, one hundred sixteen thousand, two hundred fifty-one".