1245158 has 8 divisors (see below), whose sum is σ = 1872480. Its totient is φ = 621000.

The previous prime is 1245149. The next prime is 1245169. The reversal of 1245158 is 8515421.

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

It is a plaindrome in base 14.

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, 1088 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (234060).

2^1245158 is an apocalyptic number.

1245158 is a deficient number, since it is larger than the sum of its proper divisors (627322).

1245158 is an equidigital number, since it uses as much as digits as its factorization.

1245158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its digits is 1600, while the sum is 26.

The square root of 1245158 is about 1115.8664794679. The cubic root of 1245158 is about 107.5824642171.

The spelling of 1245158 in words is "one million, two hundred forty-five thousand, one hundred fifty-eight".