1149542 has 8 divisors (see below), whose sum is σ = 1780032. Its totient is φ = 556200.

The previous prime is 1149539. The next prime is 1149559. The reversal of 1149542 is 2459411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9209 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (222504).

2^1149542 is an apocalyptic number.

1149542 is a deficient number, since it is larger than the sum of its proper divisors (630490).

1149542 is a wasteful number, since it uses less digits than its factorization.

1149542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18574.

The product of its digits is 1440, while the sum is 26.

The square root of 1149542 is about 1072.1669646095. The cubic root of 1149542 is about 104.7550450119.

The spelling of 1149542 in words is "one million, one hundred forty-nine thousand, five hundred forty-two".