1420167 has 12 divisors (see below), whose sum is σ = 2202936. Its totient is φ = 811440.

The previous prime is 1420151. The next prime is 1420169. The reversal of 1420167 is 7610241.

It is not a de Polignac number, because 1420167 - 2⁴ = 1420151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1420167 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4684 + ... + 4977.

It is an arithmetic number, because the mean of its divisors is an integer number (183578).

2^1420167 is an apocalyptic number.

1420167 is a deficient number, since it is larger than the sum of its proper divisors (782769).

1420167 is an equidigital number, since it uses as much as digits as its factorization.

1420167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1420167 is about 1191.7075983646. The cubic root of 1420167 is about 112.4034925440.

The spelling of 1420167 in words is "one million, four hundred twenty thousand, one hundred sixty-seven".