126934772527 has 4 divisors (see below), whose sum is σ = 129635512416. Its totient is φ = 124234032640.

The previous prime is 126934772521. The next prime is 126934772533. The reversal of 126934772527 is 725277439621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 725277439621 = 7 ⋅103611062803.

It is an interprime number because it is at equal distance from previous prime (126934772521) and next prime (126934772533).

It is a cyclic number.

It is not a de Polignac number, because 126934772527 - 2⁷ = 126934772399 is a prime.

It is a super-2 number, since 2×126934772527² (a number of 23 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 (126934772521) 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, 1350369874 + ... + 1350369967.

It is an arithmetic number, because the mean of its divisors is an integer number (32408878104).

Almost surely, 2^126934772527 is an apocalyptic number.

126934772527 is a deficient number, since it is larger than the sum of its proper divisors (2700739889).

126934772527 is an equidigital number, since it uses as much as digits as its factorization.

126934772527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700739888.

The product of its digits is 8890560, while the sum is 55.

The spelling of 126934772527 in words is "one hundred twenty-six billion, nine hundred thirty-four million, seven hundred seventy-two thousand, five hundred twenty-seven".