1258906 has 8 divisors (see below), whose sum is σ = 2060064. Its totient is φ = 572220.

The previous prime is 1258903. The next prime is 1258927. The reversal of 1258906 is 6098521.

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

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1258903) by changing a digit.

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, 28590 + ... + 28633.

It is an arithmetic number, because the mean of its divisors is an integer number (257508).

2^1258906 is an apocalyptic number.

1258906 is a deficient number, since it is larger than the sum of its proper divisors (801158).

1258906 is a wasteful number, since it uses less digits than its factorization.

1258906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57236.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1258906 is about 1122.0098038787. The cubic root of 1258906 is about 107.9769612494.

The spelling of 1258906 in words is "one million, two hundred fifty-eight thousand, nine hundred six".