126715950 has 72 divisors (see below), whose sum is σ = 344071728. Its totient is φ = 33431040.

The previous prime is 126715937. The next prime is 126715957. The reversal of 126715950 is 59517621.

126715950 is a `hidden beast` number, since 1 + 2 + 67 + 1 + 595 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126715957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42199 + ... + 45101.

It is an arithmetic number, because the mean of its divisors is an integer number (4778774).

Almost surely, 2^126715950 is an apocalyptic number.

126715950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126715950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172035864).

126715950 is an abundant number, since it is smaller than the sum of its proper divisors (217355778).

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

126715950 is a wasteful number, since it uses less digits than its factorization.

126715950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 126715950 is about 11256.8179340345. The cubic root of 126715950 is about 502.2775431754.

The spelling of 126715950 in words is "one hundred twenty-six million, seven hundred fifteen thousand, nine hundred fifty".