126023727 has 4 divisors (see below), whose sum is σ = 168031640. Its totient is φ = 84015816.

The previous prime is 126023701. The next prime is 126023741. The reversal of 126023727 is 727320621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727320621 = 3 ⋅242440207.

It is not a de Polignac number, because 126023727 - 2⁶ = 126023663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126023694 and 126023703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126023747) 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, 21003952 + ... + 21003957.

It is an arithmetic number, because the mean of its divisors is an integer number (42007910).

Almost surely, 2^126023727 is an apocalyptic number.

126023727 is a deficient number, since it is larger than the sum of its proper divisors (42007913).

126023727 is an equidigital number, since it uses as much as digits as its factorization.

126023727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42007912.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 126023727 is about 11226.0289951523. The cubic root of 126023727 is about 501.3612599130.

The spelling of 126023727 in words is "one hundred twenty-six million, twenty-three thousand, seven hundred twenty-seven".