1150140 has 48 divisors (see below), whose sum is σ = 3336480. Its totient is φ = 295680.

The previous prime is 1150139. The next prime is 1150141. The reversal of 1150140 is 410511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1150139) and next prime (1150141).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (69510).

2^1150140 is an apocalyptic number.

1150140 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 1150140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668240).

1150140 is an abundant number, since it is smaller than the sum of its proper divisors (2186340).

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

1150140 is a wasteful number, since it uses less digits than its factorization.

1150140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1150140 is about 1072.4458028264. The cubic root of 1150140 is about 104.7732066385.

Adding to 1150140 its reverse (410511), we get a palindrome (1560651).

The spelling of 1150140 in words is "one million, one hundred fifty thousand, one hundred forty".