1420967 has 2 divisors, whose sum is σ = 1420968. Its totient is φ = 1420966.

The previous prime is 1420949. The next prime is 1420981. The reversal of 1420967 is 7690241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420967 - 2¹² = 1416871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420667) 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 as a sum of consecutive naturals, namely, 710483 + 710484.

It is an arithmetic number, because the mean of its divisors is an integer number (710484).

2^1420967 is an apocalyptic number.

1420967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420967 is an equidigital number, since it uses as much as digits as its factorization.

1420967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1420967 is about 1192.0432039150. The cubic root of 1420967 is about 112.4245947370.

The spelling of 1420967 in words is "one million, four hundred twenty thousand, nine hundred sixty-seven".