126656522 has 8 divisors (see below), whose sum is σ = 191352000. Its totient is φ = 62872524.

The previous prime is 126656521. The next prime is 126656549. The reversal of 126656522 is 225656621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (126656521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227522 + ... + 228077.

It is an arithmetic number, because the mean of its divisors is an integer number (23919000).

Almost surely, 2^126656522 is an apocalyptic number.

126656522 is a deficient number, since it is larger than the sum of its proper divisors (64695478).

126656522 is a wasteful number, since it uses less digits than its factorization.

126656522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455740.

The product of its digits is 43200, while the sum is 35.

The square root of 126656522 is about 11254.1779797549. The cubic root of 126656522 is about 502.1990105272.

Subtracting 126656522 from its reverse (225656621), we obtain a palindrome (99000099).

The spelling of 126656522 in words is "one hundred twenty-six million, six hundred fifty-six thousand, five hundred twenty-two".