1253158 has 8 divisors (see below), whose sum is σ = 1884960. Its totient is φ = 624840.

The previous prime is 1253137. The next prime is 1253167. The reversal of 1253158 is 8513521.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

2^1253158 is an apocalyptic number.

1253158 is a deficient number, since it is larger than the sum of its proper divisors (631802).

1253158 is a wasteful number, since it uses less digits than its factorization.

1253158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742.

The product of its digits is 1200, while the sum is 25.

The square root of 1253158 is about 1119.4453984005. The cubic root of 1253158 is about 107.8123742770.

Adding to 1253158 its reverse (8513521), we get a palindrome (9766679).

The spelling of 1253158 in words is "one million, two hundred fifty-three thousand, one hundred fifty-eight".