1420933 has 2 divisors, whose sum is σ = 1420934. Its totient is φ = 1420932.

The previous prime is 1420931. The next prime is 1420949. The reversal of 1420933 is 3390241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292769 + 128164 = 1137^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420933 - 2¹ = 1420931 is a prime.

Together with 1420931, it forms a pair of twin primes.

1420933 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710466 + 710467.

It is an arithmetic number, because the mean of its divisors is an integer number (710467).

2^1420933 is an apocalyptic number.

It is an amenable number.

1420933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420933 is an equidigital number, since it uses as much as digits as its factorization.

1420933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1420933 is about 1192.0289426016. The cubic root of 1420933 is about 112.4236980549.

The spelling of 1420933 in words is "one million, four hundred twenty thousand, nine hundred thirty-three".