126858972350 has 24 divisors (see below), whose sum is σ = 257408388648. Its totient is φ = 46130535200.

The previous prime is 126858972271. The next prime is 126858972379. The reversal of 126858972350 is 53279858621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115325789 + ... + 115326888.

It is an arithmetic number, because the mean of its divisors is an integer number (10725349527).

Almost surely, 2^126858972350 is an apocalyptic number.

126858972350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126858972350 is an abundant number, since it is smaller than the sum of its proper divisors (130549416298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126858972350 is a wasteful number, since it uses less digits than its factorization.

126858972350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230652700 (or 230652695 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 126858972350 in words is "one hundred twenty-six billion, eight hundred fifty-eight million, nine hundred seventy-two thousand, three hundred fifty".