1130657 has 16 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 950400.

The previous prime is 1130651. The next prime is 1130677. The reversal of 1130657 is 7560311.

It is not a de Polignac number, because 1130657 - 2⁴ = 1130641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130651) 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, 10319 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^1130657 is an apocalyptic number.

It is an amenable number.

1130657 is a deficient number, since it is larger than the sum of its proper divisors (199903).

1130657 is a wasteful number, since it uses less digits than its factorization.

1130657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1130657 is about 1063.3235631735. The cubic root of 1130657 is about 104.1782262016.

Adding to 1130657 its reverse (7560311), we get a palindrome (8690968).

The spelling of 1130657 in words is "one million, one hundred thirty thousand, six hundred fifty-seven".