126365514135127 has 4 divisors (see below), whose sum is σ = 127170390021496. Its totient is φ = 125560638248760.

The previous prime is 126365514135053. The next prime is 126365514135131. The reversal of 126365514135127 is 721531415563621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126365514135127 is a prime.

It is a super-2 number, since 2×126365514135127² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126365514135167) 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, 402437942949 + ... + 402437943262.

It is an arithmetic number, because the mean of its divisors is an integer number (31792597505374).

Almost surely, 2^{126365514135127} is an apocalyptic number.

126365514135127 is a deficient number, since it is larger than the sum of its proper divisors (804875886369).

126365514135127 is an equidigital number, since it uses as much as digits as its factorization.

126365514135127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804875886368.

The product of its digits is 4536000, while the sum is 52.

Adding to 126365514135127 its reverse (721531415563621), we get a palindrome (847896929698748).

The spelling of 126365514135127 in words is "one hundred twenty-six trillion, three hundred sixty-five billion, five hundred fourteen million, one hundred thirty-five thousand, one hundred twenty-seven".