126878738210 has 16 divisors (see below), whose sum is σ = 261007690176. Its totient is φ = 43501281648.

The previous prime is 126878738209. The next prime is 126878738227. The reversal of 126878738210 is 12837878621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906276632 + ... + 906276771.

It is an arithmetic number, because the mean of its divisors is an integer number (16312980636).

Almost surely, 2^126878738210 is an apocalyptic number.

126878738210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126878738210 is an abundant number, since it is smaller than the sum of its proper divisors (134128951966).

126878738210 is a wasteful number, since it uses less digits than its factorization.

126878738210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812553417.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 126878738210 in words is "one hundred twenty-six billion, eight hundred seventy-eight million, seven hundred thirty-eight thousand, two hundred ten".