1420261903 has 2 divisors, whose sum is σ = 1420261904. Its totient is φ = 1420261902.

The previous prime is 1420261901. The next prime is 1420261961. The reversal of 1420261903 is 3091620241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420261903 - 2¹ = 1420261901 is a prime.

It is a super-2 number, since 2×1420261903² = 4034287746226362818, which contains 22 as substring.

Together with 1420261901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420261901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710130951 + 710130952.

It is an arithmetic number, because the mean of its divisors is an integer number (710130952).

Almost surely, 2^1420261903 is an apocalyptic number.

1420261903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420261903 is an equidigital number, since it uses as much as digits as its factorization.

1420261903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1420261903 is about 37686.3622946020. The cubic root of 1420261903 is about 1124.0599628497.

The spelling of 1420261903 in words is "one billion, four hundred twenty million, two hundred sixty-one thousand, nine hundred three".