1426745 has 8 divisors (see below), whose sum is σ = 1736640. Its totient is φ = 1125040.

The previous prime is 1426741. The next prime is 1426751. The reversal of 1426745 is 5476241.

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

It is not a de Polignac number, because 1426745 - 2² = 1426741 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1426741) 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 7 ways as a sum of consecutive naturals, for example, 1655 + ... + 2364.

It is an arithmetic number, because the mean of its divisors is an integer number (217080).

2^1426745 is an apocalyptic number.

It is an amenable number.

1426745 is a deficient number, since it is larger than the sum of its proper divisors (309895).

1426745 is an equidigital number, since it uses as much as digits as its factorization.

1426745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095.

The product of its digits is 6720, while the sum is 29.

The square root of 1426745 is about 1194.4643150802. The cubic root of 1426745 is about 112.5767706446.

The spelling of 1426745 in words is "one million, four hundred twenty-six thousand, seven hundred forty-five".