1130457 has 4 divisors (see below), whose sum is σ = 1507280. Its totient is φ = 753636.

The previous prime is 1130447. The next prime is 1130471. The reversal of 1130457 is 7540311.

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 not a de Polignac number, because 1130457 - 2¹⁰ = 1129433 is a prime.

It is a super-3 number, since 3×1130457³ = 4333945013980661979, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130407) 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 3 ways as a sum of consecutive naturals, for example, 188407 + ... + 188412.

It is an arithmetic number, because the mean of its divisors is an integer number (376820).

2^1130457 is an apocalyptic number.

It is an amenable number.

1130457 is a deficient number, since it is larger than the sum of its proper divisors (376823).

1130457 is an equidigital number, since it uses as much as digits as its factorization.

1130457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376822.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1130457 is about 1063.2295142630. The cubic root of 1130457 is about 104.1720832028.

Adding to 1130457 its reverse (7540311), we get a palindrome (8670768).

The spelling of 1130457 in words is "one million, one hundred thirty thousand, four hundred fifty-seven".