1153755 has 12 divisors (see below), whose sum is σ = 1999920. Its totient is φ = 615312.

The previous prime is 1153753. The next prime is 1153759. The reversal of 1153755 is 5573511.

It is not a de Polignac number, because 1153755 - 2¹ = 1153753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153751) 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, 12775 + ... + 12864.

It is an arithmetic number, because the mean of its divisors is an integer number (166660).

2^1153755 is an apocalyptic number.

1153755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153755 is a deficient number, since it is larger than the sum of its proper divisors (846165).

1153755 is a wasteful number, since it uses less digits than its factorization.

1153755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25650 (or 25647 counting only the distinct ones).

The product of its digits is 2625, while the sum is 27.

The square root of 1153755 is about 1074.1298804148. The cubic root of 1153755 is about 104.8828625680.

The spelling of 1153755 in words is "one million, one hundred fifty-three thousand, seven hundred fifty-five".