1113251 has 4 divisors (see below), whose sum is σ = 1121400. Its totient is φ = 1105104.

The previous prime is 1113239. The next prime is 1113253. The reversal of 1113251 is 1523111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113251 - 2⁶ = 1113187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113253) 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 3 ways as a sum of consecutive naturals, for example, 3866 + ... + 4143.

It is an arithmetic number, because the mean of its divisors is an integer number (280350).

2^1113251 is an apocalyptic number.

1113251 is a deficient number, since it is larger than the sum of its proper divisors (8149).

1113251 is an equidigital number, since it uses as much as digits as its factorization.

1113251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148.

The product of its digits is 30, while the sum is 14.

The square root of 1113251 is about 1055.1071035682. The cubic root of 1113251 is about 103.6408655487.

Adding to 1113251 its reverse (1523111), we get a palindrome (2636362).

The spelling of 1113251 in words is "one million, one hundred thirteen thousand, two hundred fifty-one".