126436127 has 4 divisors (see below), whose sum is σ = 133090680. Its totient is φ = 119781576.

The previous prime is 126436099. The next prime is 126436133. The reversal of 126436127 is 721634621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721634621 = 3907 ⋅184703.

It is a cyclic number.

It is not a de Polignac number, because 126436127 - 2¹⁴ = 126419743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126436093 and 126436102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126436147) 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, 3327248 + ... + 3327285.

It is an arithmetic number, because the mean of its divisors is an integer number (33272670).

Almost surely, 2^126436127 is an apocalyptic number.

126436127 is a deficient number, since it is larger than the sum of its proper divisors (6654553).

126436127 is an equidigital number, since it uses as much as digits as its factorization.

126436127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654552.

The product of its digits is 12096, while the sum is 32.

The square root of 126436127 is about 11244.3820194798. The cubic root of 126436127 is about 501.9075492569.

The spelling of 126436127 in words is "one hundred twenty-six million, four hundred thirty-six thousand, one hundred twenty-seven".