126534773 has 2 divisors, whose sum is σ = 126534774. Its totient is φ = 126534772.

The previous prime is 126534761. The next prime is 126534787. The reversal of 126534773 is 377435621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96864964 + 29669809 = 9842^2 + 5447^2 .

It is a cyclic number.

It is not a de Polignac number, because 126534773 - 2¹⁶ = 126469237 is a prime.

It is a super-2 number, since 2×126534773² = 32022097556323058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126534713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63267386 + 63267387.

It is an arithmetic number, because the mean of its divisors is an integer number (63267387).

Almost surely, 2^126534773 is an apocalyptic number.

It is an amenable number.

126534773 is a deficient number, since it is larger than the sum of its proper divisors (1).

126534773 is an equidigital number, since it uses as much as digits as its factorization.

126534773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 126534773 is about 11248.7676213886. The cubic root of 126534773 is about 502.0380454544.

The spelling of 126534773 in words is "one hundred twenty-six million, five hundred thirty-four thousand, seven hundred seventy-three".