1153242 has 24 divisors (see below), whose sum is σ = 2533440. Its totient is φ = 379080.

The previous prime is 1153241. The next prime is 1153247. The reversal of 1153242 is 2423511.

It is a super-2 number, since 2×1153242² = 2659934221128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1153241) 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, 1017 + ... + 1827.

It is an arithmetic number, because the mean of its divisors is an integer number (105560).

2^1153242 is an apocalyptic number.

1153242 is an abundant number, since it is smaller than the sum of its proper divisors (1380198).

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

1153242 is a wasteful number, since it uses less digits than its factorization.

1153242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 895 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1153242 is about 1073.8910559270. The cubic root of 1153242 is about 104.8673153952.

Adding to 1153242 its reverse (2423511), we get a palindrome (3576753).

The spelling of 1153242 in words is "one million, one hundred fifty-three thousand, two hundred forty-two".