1121160 has 32 divisors (see below), whose sum is σ = 3363840. Its totient is φ = 298944.

The previous prime is 1121147. The next prime is 1121173. The reversal of 1121160 is 611211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121147) and next prime (1121173).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552 + ... + 4791.

It is an arithmetic number, because the mean of its divisors is an integer number (105120).

2^1121160 is an apocalyptic number.

1121160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121160 is an abundant number, since it is smaller than the sum of its proper divisors (2242680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121160 is a wasteful number, since it uses less digits than its factorization.

1121160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357 (or 9353 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1121160 is about 1058.8484310797. The cubic root of 1121160 is about 103.8857226018.

Adding to 1121160 its reverse (611211), we get a palindrome (1732371).

The spelling of 1121160 in words is "one million, one hundred twenty-one thousand, one hundred sixty".