126875550 has 48 divisors (see below), whose sum is σ = 315359280. Its totient is φ = 33757440.

The previous prime is 126875527. The next prime is 126875557. The reversal of 126875550 is 55578621.

It is a junction number, because it is equal to n+sod(n) for n = 126875499 and 126875508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126875557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105754 + ... + 106946.

It is an arithmetic number, because the mean of its divisors is an integer number (6569985).

Almost surely, 2^126875550 is an apocalyptic number.

126875550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126875550 is an abundant number, since it is smaller than the sum of its proper divisors (188483730).

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

126875550 is a wasteful number, since it uses less digits than its factorization.

126875550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 126875550 is about 11263.9047403642. The cubic root of 126875550 is about 502.4883292257.

The spelling of 126875550 in words is "one hundred twenty-six million, eight hundred seventy-five thousand, five hundred fifty".