1442920403 has 2 divisors, whose sum is σ = 1442920404. Its totient is φ = 1442920402.

The previous prime is 1442920379. The next prime is 1442920411. The reversal of 1442920403 is 3040292441.

It is a strong prime.

It is an emirp because it is prime and its reverse (3040292441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442920403 - 2²⁸ = 1174484947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442920483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721460201 + 721460202.

It is an arithmetic number, because the mean of its divisors is an integer number (721460202).

Almost surely, 2^1442920403 is an apocalyptic number.

1442920403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442920403 is an equidigital number, since it uses as much as digits as its factorization.

1442920403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1442920403 is about 37985.7921202125. The cubic root of 1442920403 is about 1130.0061092942.

The spelling of 1442920403 in words is "one billion, four hundred forty-two million, nine hundred twenty thousand, four hundred three".