1113457 has 4 divisors (see below), whose sum is σ = 1172080. Its totient is φ = 1054836.

The previous prime is 1113451. The next prime is 1113461. The reversal of 1113457 is 7543111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113457 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1113451) 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, 29283 + ... + 29320.

It is an arithmetic number, because the mean of its divisors is an integer number (293020).

2^1113457 is an apocalyptic number.

It is an amenable number.

1113457 is a deficient number, since it is larger than the sum of its proper divisors (58623).

1113457 is an equidigital number, since it uses as much as digits as its factorization.

1113457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58622.

The product of its digits is 420, while the sum is 22.

The square root of 1113457 is about 1055.2047194739. The cubic root of 1113457 is about 103.6472578482.

Adding to 1113457 its reverse (7543111), we get a palindrome (8656568).

The spelling of 1113457 in words is "one million, one hundred thirteen thousand, four hundred fifty-seven".