126730968403 has 12 divisors (see below), whose sum is σ = 137263351680. Its totient is φ = 116953483296.

The previous prime is 126730968383. The next prime is 126730968409. The reversal of 126730968403 is 304869037621.

It is not a de Polignac number, because 126730968403 - 2¹³ = 126730960211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126730968409) 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 in 11 ways as a sum of consecutive naturals, for example, 607758 + ... + 789196.

It is an arithmetic number, because the mean of its divisors is an integer number (11438612640).

Almost surely, 2^126730968403 is an apocalyptic number.

126730968403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126730968403 is a deficient number, since it is larger than the sum of its proper divisors (10532383277).

126730968403 is a wasteful number, since it uses less digits than its factorization.

126730968403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185598 (or 185585 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 126730968403 in words is "one hundred twenty-six billion, seven hundred thirty million, nine hundred sixty-eight thousand, four hundred three".