1167140 has 36 divisors (see below), whose sum is σ = 2679516. Its totient is φ = 424512.

The previous prime is 1167139. The next prime is 1167143. The reversal of 1167140 is 417611.

It can be written as a sum of positive squares in 2 ways, for example, as 287296 + 879844 = 536^2 + 938^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167143) 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, 17387 + ... + 17453.

It is an arithmetic number, because the mean of its divisors is an integer number (74431).

2^1167140 is an apocalyptic number.

1167140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1167140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339758).

1167140 is an abundant number, since it is smaller than the sum of its proper divisors (1512376).

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

1167140 is a wasteful number, since it uses less digits than its factorization.

1167140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1167140 is about 1080.3425382720. The cubic root of 1167140 is about 105.2868949100.

It can be divided in two parts, 11671 and 40, that added together give a palindrome (11711).

The spelling of 1167140 in words is "one million, one hundred sixty-seven thousand, one hundred forty".