1426187 has 8 divisors (see below), whose sum is σ = 1651200. Its totient is φ = 1206504.

The previous prime is 1426171. The next prime is 1426199. The reversal of 1426187 is 7816241.

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

It is a cyclic number.

It is not a de Polignac number, because 1426187 - 2⁴ = 1426171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426127) 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, 737 + ... + 1842.

It is an arithmetic number, because the mean of its divisors is an integer number (206400).

2^1426187 is an apocalyptic number.

1426187 is a deficient number, since it is larger than the sum of its proper divisors (225013).

1426187 is an equidigital number, since it uses as much as digits as its factorization.

1426187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

The product of its digits is 2688, while the sum is 29.

The square root of 1426187 is about 1194.2307147281. The cubic root of 1426187 is about 112.5620924718.

It can be divided in two parts, 1426 and 187, that multiplied together give a palindrome (266662).

The spelling of 1426187 in words is "one million, four hundred twenty-six thousand, one hundred eighty-seven".