126724850 has 48 divisors (see below), whose sum is σ = 275982336. Its totient is φ = 42384000.

The previous prime is 126724837. The next prime is 126724859. The reversal of 126724850 is 58427621.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 126724850.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126724859) 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, 9935 + ... + 18765.

It is an arithmetic number, because the mean of its divisors is an integer number (5749632).

Almost surely, 2^126724850 is an apocalyptic number.

126724850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126724850 is an abundant number, since it is smaller than the sum of its proper divisors (149257486).

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

126724850 is a wasteful number, since it uses less digits than its factorization.

126724850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8891 (or 8886 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 126724850 is about 11257.2132430722. The cubic root of 126724850 is about 502.2893021936.

The spelling of 126724850 in words is "one hundred twenty-six million, seven hundred twenty-four thousand, eight hundred fifty".