126777023 has 2 divisors, whose sum is σ = 126777024. Its totient is φ = 126777022.

The previous prime is 126776981. The next prime is 126777031. The reversal of 126777023 is 320777621.

It is a strong prime.

It is an emirp because it is prime and its reverse (320777621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126777023 - 2²⁶ = 59668159 is a prime.

It is a super-3 number, since 3×126777023³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126777923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63388511 + 63388512.

It is an arithmetic number, because the mean of its divisors is an integer number (63388512).

Almost surely, 2^126777023 is an apocalyptic number.

126777023 is a deficient number, since it is larger than the sum of its proper divisors (1).

126777023 is an equidigital number, since it uses as much as digits as its factorization.

126777023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 126777023 is about 11259.5303188010. The cubic root of 126777023 is about 502.3582240723.

The spelling of 126777023 in words is "one hundred twenty-six million, seven hundred seventy-seven thousand, twenty-three".