1153142 has 8 divisors (see below), whose sum is σ = 1776576. Its totient is φ = 560952.

The previous prime is 1153123. The next prime is 1153147. The reversal of 1153142 is 2413511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1153142.

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 3 ways as a sum of consecutive naturals, for example, 7718 + ... + 7865.

It is an arithmetic number, because the mean of its divisors is an integer number (222072).

2^1153142 is an apocalyptic number.

1153142 is a deficient number, since it is larger than the sum of its proper divisors (623434).

1153142 is a wasteful number, since it uses less digits than its factorization.

1153142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15622.

The product of its digits is 120, while the sum is 17.

The square root of 1153142 is about 1073.8444952599. The cubic root of 1153142 is about 104.8642842203.

Adding to 1153142 its reverse (2413511), we get a palindrome (3566653).

The spelling of 1153142 in words is "one million, one hundred fifty-three thousand, one hundred forty-two".