1420727 has 8 divisors (see below), whose sum is σ = 1771392. Its totient is φ = 1107000.

The previous prime is 1420721. The next prime is 1420729. The reversal of 1420727 is 7270241.

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 1420727 - 2¹² = 1416631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420721) 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, 9149 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (221424).

2^1420727 is an apocalyptic number.

1420727 is a deficient number, since it is larger than the sum of its proper divisors (350665).

1420727 is a wasteful number, since it uses less digits than its factorization.

1420727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1420727 is about 1191.9425321717. The cubic root of 1420727 is about 112.4182649109.

Adding to 1420727 its reverse (7270241), we get a palindrome (8690968).

The spelling of 1420727 in words is "one million, four hundred twenty thousand, seven hundred twenty-seven".