1426620503 has 16 divisors (see below), whose sum is σ = 1820011776. Its totient is φ = 1085797440.

The previous prime is 1426620493. The next prime is 1426620521. The reversal of 1426620503 is 3050266241.

It is not a de Polignac number, because 1426620503 - 2⁴ = 1426620487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426620553) 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 in 15 ways as a sum of consecutive naturals, for example, 212126 + ... + 218747.

It is an arithmetic number, because the mean of its divisors is an integer number (113750736).

Almost surely, 2^1426620503 is an apocalyptic number.

1426620503 is a deficient number, since it is larger than the sum of its proper divisors (393391273).

1426620503 is a wasteful number, since it uses less digits than its factorization.

1426620503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430934.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1426620503 is about 37770.6301641897. The cubic root of 1426620503 is about 1125.7349608659.

Adding to 1426620503 its reverse (3050266241), we get a palindrome (4476886744).

It can be divided in two parts, 1426 and 620503, that multiplied together give a triangular number (884837278 = T₄₂₀₆₇).

The spelling of 1426620503 in words is "one billion, four hundred twenty-six million, six hundred twenty thousand, five hundred three".