126107572 has 6 divisors (see below), whose sum is σ = 220688258. Its totient is φ = 63053784.

The previous prime is 126107561. The next prime is 126107591. The reversal of 126107572 is 275701621.

It can be written as a sum of positive squares in only one way, i.e., 83649316 + 42458256 = 9146^2 + 6516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15763443 + ... + 15763450.

Almost surely, 2^126107572 is an apocalyptic number.

It is an amenable number.

126107572 is a deficient number, since it is larger than the sum of its proper divisors (94580686).

126107572 is a wasteful number, since it uses less digits than its factorization.

126107572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31526897 (or 31526895 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 126107572 is about 11229.7627757669. The cubic root of 126107572 is about 501.4724223551.

The spelling of 126107572 in words is "one hundred twenty-six million, one hundred seven thousand, five hundred seventy-two".