126719604 has 72 divisors (see below), whose sum is σ = 364658112. Its totient is φ = 36727680.

The previous prime is 126719591. The next prime is 126719611. The reversal of 126719604 is 406917621.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2152 + ... + 16064.

It is an arithmetic number, because the mean of its divisors is an integer number (5064696).

Almost surely, 2^126719604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126719604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182329056).

126719604 is an abundant number, since it is smaller than the sum of its proper divisors (237938508).

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

126719604 is a wasteful number, since it uses less digits than its factorization.

126719604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13957 (or 13952 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 126719604 is about 11256.9802345034. The cubic root of 126719604 is about 502.2823710457.

The spelling of 126719604 in words is "one hundred twenty-six million, seven hundred nineteen thousand, six hundred four".