126630263 has 12 divisors (see below), whose sum is σ = 137811072. Its totient is φ = 116263680.

The previous prime is 126630241. The next prime is 126630271. The reversal of 126630263 is 362036621.

It is not a de Polignac number, because 126630263 - 2⁶ = 126630199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126630293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6506 + ... + 17192.

It is an arithmetic number, because the mean of its divisors is an integer number (11484256).

Almost surely, 2^126630263 is an apocalyptic number.

126630263 is a deficient number, since it is larger than the sum of its proper divisors (11180809).

126630263 is a wasteful number, since it uses less digits than its factorization.

126630263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10762 (or 10745 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 126630263 is about 11253.0112858737. The cubic root of 126630263 is about 502.1643020757.

Adding to 126630263 its reverse (362036621), we get a palindrome (488666884).

The spelling of 126630263 in words is "one hundred twenty-six million, six hundred thirty thousand, two hundred sixty-three".