1244158 has 16 divisors (see below), whose sum is σ = 2034000. Its totient is φ = 568512.

The previous prime is 1244153. The next prime is 1244167. The reversal of 1244158 is 8514421.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (127125).

2^1244158 is an apocalyptic number.

1244158 is a deficient number, since it is larger than the sum of its proper divisors (789842).

1244158 is a wasteful number, since it uses less digits than its factorization.

1244158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179.

The product of its digits is 1280, while the sum is 25.

The square root of 1244158 is about 1115.4183071835. The cubic root of 1244158 is about 107.5536562861.

Adding to 1244158 its reverse (8514421), we get a palindrome (9758579).

The spelling of 1244158 in words is "one million, two hundred forty-four thousand, one hundred fifty-eight".