1155242 has 8 divisors (see below), whose sum is σ = 1890432. Its totient is φ = 525100.

The previous prime is 1155239. The next prime is 1155247. The reversal of 1155242 is 2425511.

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

It is not an unprimeable number, because it can be changed into a prime (1155247) 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, 26234 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (236304).

2^1155242 is an apocalyptic number.

1155242 is a deficient number, since it is larger than the sum of its proper divisors (735190).

1155242 is a wasteful number, since it uses less digits than its factorization.

1155242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52524.

The product of its digits is 400, while the sum is 20.

The square root of 1155242 is about 1074.8218457028. The cubic root of 1155242 is about 104.9279021307.

The spelling of 1155242 in words is "one million, one hundred fifty-five thousand, two hundred forty-two".