126765315307 has 4 divisors (see below), whose sum is σ = 126766388056. Its totient is φ = 126764242560.

The previous prime is 126765315283. The next prime is 126765315331. The reversal of 126765315307 is 703513567621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 703513567621 = 229 ⋅3072111649.

It is an interprime number because it is at equal distance from previous prime (126765315283) and next prime (126765315331).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126765315307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126765915307) 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, 333558 + ... + 603979.

It is an arithmetic number, because the mean of its divisors is an integer number (31691597014).

Almost surely, 2^126765315307 is an apocalyptic number.

126765315307 is a deficient number, since it is larger than the sum of its proper divisors (1072749).

126765315307 is an equidigital number, since it uses as much as digits as its factorization.

126765315307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072748.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 126765315307 in words is "one hundred twenty-six billion, seven hundred sixty-five million, three hundred fifteen thousand, three hundred seven".