1226858 has 8 divisors (see below), whose sum is σ = 1845120. Its totient is φ = 611820.

The previous prime is 1226857. The next prime is 1226861. The reversal of 1226858 is 8586221.

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 (1226851) 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, 743 + ... + 1733.

It is an arithmetic number, because the mean of its divisors is an integer number (230640).

2^1226858 is an apocalyptic number.

1226858 is a deficient number, since it is larger than the sum of its proper divisors (618262).

1226858 is an equidigital number, since it uses as much as digits as its factorization.

1226858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its digits is 7680, while the sum is 32.

The square root of 1226858 is about 1107.6362218707. The cubic root of 1226858 is about 107.0528169674.

The spelling of 1226858 in words is "one million, two hundred twenty-six thousand, eight hundred fifty-eight".