126074521747063 has 4 divisors (see below), whose sum is σ = 126074970607288. Its totient is φ = 126074072886840.

The previous prime is 126074521747061. The next prime is 126074521747079. The reversal of 126074521747063 is 360747125470621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126074521747063 - 2¹ = 126074521747061 is a prime.

It is a super-2 number, since 2×126074521747063² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126074521746995 and 126074521747013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126074521747061) 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, 224008533 + ... + 224570638.

It is an arithmetic number, because the mean of its divisors is an integer number (31518742651822).

Almost surely, 2^{126074521747063} is an apocalyptic number.

126074521747063 is a deficient number, since it is larger than the sum of its proper divisors (448860225).

126074521747063 is an equidigital number, since it uses as much as digits as its factorization.

126074521747063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448860224.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 126074521747063 in words is "one hundred twenty-six trillion, seventy-four billion, five hundred twenty-one million, seven hundred forty-seven thousand, sixty-three".