1130649 has 16 divisors (see below), whose sum is σ = 1657152. Its totient is φ = 681408.

The previous prime is 1130641. The next prime is 1130651. The reversal of 1130649 is 9460311.

It is not a de Polignac number, because 1130649 - 2³ = 1130641 is a prime.

It is a super-2 number, since 2×1130649² = 2556734322402, which contains 22 as substring.

1130649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1130641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1794 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (103572).

2^1130649 is an apocalyptic number.

It is an amenable number.

1130649 is a deficient number, since it is larger than the sum of its proper divisors (526503).

1130649 is a wasteful number, since it uses less digits than its factorization.

1130649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1130649 is about 1063.3198013768. The cubic root of 1130649 is about 104.1779804956.

The spelling of 1130649 in words is "one million, one hundred thirty thousand, six hundred forty-nine".