1420373 has 2 divisors, whose sum is σ = 1420374. Its totient is φ = 1420372.

The previous prime is 1420369. The next prime is 1420399. The reversal of 1420373 is 3730241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 677329 = 862^2 + 823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420373 - 2² = 1420369 is a prime.

It is equal to p₁₀₈₅₁₅ and since 1420373 and 108515 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420303) 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, 710186 + 710187.

It is an arithmetic number, because the mean of its divisors is an integer number (710187).

2^1420373 is an apocalyptic number.

It is an amenable number.

1420373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420373 is an equidigital number, since it uses as much as digits as its factorization.

1420373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1420373 is about 1191.7940258283. The cubic root of 1420373 is about 112.4089271161.

The spelling of 1420373 in words is "one million, four hundred twenty thousand, three hundred seventy-three".