126577652 has 6 divisors (see below), whose sum is σ = 221510898. Its totient is φ = 63288824.

The previous prime is 126577609. The next prime is 126577657. The reversal of 126577652 is 256775621.

It can be written as a sum of positive squares in only one way, i.e., 75968656 + 50608996 = 8716^2 + 7114^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126577657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15822203 + ... + 15822210.

It is an arithmetic number, because the mean of its divisors is an integer number (36918483).

Almost surely, 2^126577652 is an apocalyptic number.

It is an amenable number.

126577652 is a deficient number, since it is larger than the sum of its proper divisors (94933246).

126577652 is a wasteful number, since it uses less digits than its factorization.

126577652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31644417 (or 31644415 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 126577652 is about 11250.6734020680. The cubic root of 126577652 is about 502.0947478077.

The spelling of 126577652 in words is "one hundred twenty-six million, five hundred seventy-seven thousand, six hundred fifty-two".