126531063 has 6 divisors (see below), whose sum is σ = 182767104. Its totient is φ = 84354036.

The previous prime is 126531059. The next prime is 126531079. The reversal of 126531063 is 360135621.

126531063 is a `hidden beast` number, since 1 + 2 + 653 + 1 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 126531063 - 2² = 126531059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126531023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7029495 + ... + 7029512.

It is an arithmetic number, because the mean of its divisors is an integer number (30461184).

Almost surely, 2^126531063 is an apocalyptic number.

126531063 is a deficient number, since it is larger than the sum of its proper divisors (56236041).

126531063 is a wasteful number, since it uses less digits than its factorization.

126531063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14059013 (or 14059010 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 126531063 is about 11248.6027132262. The cubic root of 126531063 is about 502.0331388207.

Adding to 126531063 its reverse (360135621), we get a palindrome (486666684).

The spelling of 126531063 in words is "one hundred twenty-six million, five hundred thirty-one thousand, sixty-three".