1130121 has 12 divisors (see below), whose sum is σ = 1643200. Its totient is φ = 748440.

The previous prime is 1130117. The next prime is 1130123. The reversal of 1130121 is 1210311.

It is not a de Polignac number, because 1130121 - 2² = 1130117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1476 + ... + 2106.

2^1130121 is an apocalyptic number.

It is an amenable number.

1130121 is a deficient number, since it is larger than the sum of its proper divisors (513079).

1130121 is a wasteful number, since it uses less digits than its factorization.

1130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1130121 is about 1063.0714933625. The cubic root of 1130121 is about 104.1617613335.

Adding to 1130121 its reverse (1210311), we get a palindrome (2340432).

The spelling of 1130121 in words is "one million, one hundred thirty thousand, one hundred twenty-one".