1420774 has 8 divisors (see below), whose sum is σ = 2136240. Its totient is φ = 708696.

The previous prime is 1420753. The next prime is 1420777. The reversal of 1420774 is 4770241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (267030).

2^1420774 is an apocalyptic number.

1420774 is a deficient number, since it is larger than the sum of its proper divisors (715466).

1420774 is an equidigital number, since it uses as much as digits as its factorization.

1420774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1420774 is about 1191.9622477243. The cubic root of 1420774 is about 112.4195045580.

The spelling of 1420774 in words is "one million, four hundred twenty thousand, seven hundred seventy-four".