1153140 has 24 divisors (see below), whose sum is σ = 3228960. Its totient is φ = 307488.

The previous prime is 1153123. The next prime is 1153147. The reversal of 1153140 is 413511.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9550 + ... + 9669.

It is an arithmetic number, because the mean of its divisors is an integer number (134540).

2^1153140 is an apocalyptic number.

1153140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153140 is an abundant number, since it is smaller than the sum of its proper divisors (2075820).

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

1153140 is a wasteful number, since it uses less digits than its factorization.

1153140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231 (or 19229 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1153140 is about 1073.8435640260. The cubic root of 1153140 is about 104.8642235950.

Adding to 1153140 its reverse (413511), we get a palindrome (1566651).

The spelling of 1153140 in words is "one million, one hundred fifty-three thousand, one hundred forty".