1153040 has 80 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 376320.

The previous prime is 1153027. The next prime is 1153049. The reversal of 1153040 is 403511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1153049) 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, 16205 + ... + 16275.

It is an arithmetic number, because the mean of its divisors is an integer number (40176).

2^1153040 is an apocalyptic number.

1153040 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 1153040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1153040 is an abundant number, since it is smaller than the sum of its proper divisors (2061040).

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

1153040 is a wasteful number, since it uses less digits than its factorization.

1153040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1153040 is about 1073.7970012996. The cubic root of 1153040 is about 104.8611922413.

Adding to 1153040 its reverse (403511), we get a palindrome (1556551).

The spelling of 1153040 in words is "one million, one hundred fifty-three thousand, forty".