1420171 has 8 divisors (see below), whose sum is σ = 1474704. Its totient is φ = 1366560.

The previous prime is 1420169. The next prime is 1420201. The reversal of 1420171 is 1710241.

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 1420171 - 2¹ = 1420169 is a prime.

It is a Duffinian number.

1420171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1420121) 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, 4701 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (184338).

2^1420171 is an apocalyptic number.

1420171 is a deficient number, since it is larger than the sum of its proper divisors (54533).

1420171 is a wasteful number, since it uses less digits than its factorization.

1420171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1420171 is about 1191.7092766275. The cubic root of 1420171 is about 112.4035980746.

The spelling of 1420171 in words is "one million, four hundred twenty thousand, one hundred seventy-one".