1121190 has 64 divisors (see below), whose sum is σ = 3248640. Its totient is φ = 241920.

The previous prime is 1121189. The next prime is 1121191. The reversal of 1121190 is 911211.

It is an interprime number because it is at equal distance from previous prime (1121189) and next prime (1121191).

It is a super-2 number, since 2×1121190² = 2514134032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3850 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (50760).

2^1121190 is an apocalyptic number.

1121190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624320).

1121190 is an abundant number, since it is smaller than the sum of its proper divisors (2127450).

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

1121190 is a wasteful number, since it uses less digits than its factorization.

1121190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1121190 is about 1058.8625973185. The cubic root of 1121190 is about 103.8866491850.

The spelling of 1121190 in words is "one million, one hundred twenty-one thousand, one hundred ninety".