1138562 has 8 divisors (see below), whose sum is σ = 1724736. Its totient is φ = 563652.

The previous prime is 1138559. The next prime is 1138567. The reversal of 1138562 is 2658311.

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 (1138567) 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, 2558 + ... + 2969.

It is an arithmetic number, because the mean of its divisors is an integer number (215592).

2^1138562 is an apocalyptic number.

1138562 is a deficient number, since it is larger than the sum of its proper divisors (586174).

1138562 is a wasteful number, since it uses less digits than its factorization.

1138562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632.

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

The square root of 1138562 is about 1067.0342075116. The cubic root of 1138562 is about 104.4204502835.

The spelling of 1138562 in words is "one million, one hundred thirty-eight thousand, five hundred sixty-two".