126298900185 has 16 divisors (see below), whose sum is σ = 202087690560. Its totient is φ = 67356263360.

The previous prime is 126298900111. The next prime is 126298900243. The reversal of 126298900185 is 581009892621.

It is not a de Polignac number, because 126298900185 - 2¹⁰ = 126298899161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154831 + ... + 525899.

It is an arithmetic number, because the mean of its divisors is an integer number (12630480660).

Almost surely, 2^126298900185 is an apocalyptic number.

126298900185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126298900185 is a deficient number, since it is larger than the sum of its proper divisors (75788790375).

126298900185 is a wasteful number, since it uses less digits than its factorization.

126298900185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393768.

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 126298900185 in words is "one hundred twenty-six billion, two hundred ninety-eight million, nine hundred thousand, one hundred eighty-five".