126731063 has 8 divisors (see below), whose sum is σ = 128222976. Its totient is φ = 125244000.

The previous prime is 126731053. The next prime is 126731071. The reversal of 126731063 is 360137621.

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

It is a cyclic number.

It is not a de Polignac number, because 126731063 - 2⁴ = 126731047 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 (126731023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85418 + ... + 86888.

It is an arithmetic number, because the mean of its divisors is an integer number (16027872).

Almost surely, 2^126731063 is an apocalyptic number.

126731063 is a deficient number, since it is larger than the sum of its proper divisors (1491913).

126731063 is a wasteful number, since it uses less digits than its factorization.

126731063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 126731063 is about 11257.4891960863. The cubic root of 126731063 is about 502.2975107189.

Adding to 126731063 its reverse (360137621), we get a palindrome (486868684).

The spelling of 126731063 in words is "one hundred twenty-six million, seven hundred thirty-one thousand, sixty-three".