1420017 has 8 divisors (see below), whose sum is σ = 1954560. Its totient is φ = 916080.

The previous prime is 1420009. The next prime is 1420031. The reversal of 1420017 is 7100241.

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

It is not a de Polignac number, because 1420017 - 2³ = 1420009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1419978 and 1420005.

It is not an unprimeable number, because it can be changed into a prime (1420037) 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, 7542 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (244320).

2^1420017 is an apocalyptic number.

It is an amenable number.

1420017 is a deficient number, since it is larger than the sum of its proper divisors (534543).

1420017 is a wasteful number, since it uses less digits than its factorization.

1420017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15303.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1420017 is about 1191.6446618015. The cubic root of 1420017 is about 112.3995350006.

Adding to 1420017 its reverse (7100241), we get a palindrome (8520258).

The spelling of 1420017 in words is "one million, four hundred twenty thousand, seventeen".