126427164157 has 4 divisors (see below), whose sum is σ = 144488187616. Its totient is φ = 108366140700.

The previous prime is 126427164137. The next prime is 126427164163. The reversal of 126427164157 is 751461724621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126427164157 is a prime.

It is a super-3 number, since 3×126427164157³ (a number of 34 digits) contains 333 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 (126427164137) 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, 9030511719 + ... + 9030511732.

It is an arithmetic number, because the mean of its divisors is an integer number (36122046904).

Almost surely, 2^126427164157 is an apocalyptic number.

It is an amenable number.

126427164157 is a deficient number, since it is larger than the sum of its proper divisors (18061023459).

126427164157 is an equidigital number, since it uses as much as digits as its factorization.

126427164157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061023458.

The product of its digits is 564480, while the sum is 46.

Adding to 126427164157 its reverse (751461724621), we get a palindrome (877888888778).

The spelling of 126427164157 in words is "one hundred twenty-six billion, four hundred twenty-seven million, one hundred sixty-four thousand, one hundred fifty-seven".