126774541 has 2 divisors, whose sum is σ = 126774542. Its totient is φ = 126774540.

The previous prime is 126774511. The next prime is 126774553. The reversal of 126774541 is 145477621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 56700900 = 8371^2 + 7530^2 .

It is a cyclic number.

It is not a de Polignac number, because 126774541 - 2⁵ = 126774509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126774541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126774511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63387270 + 63387271.

It is an arithmetic number, because the mean of its divisors is an integer number (63387271).

Almost surely, 2^126774541 is an apocalyptic number.

It is an amenable number.

126774541 is a deficient number, since it is larger than the sum of its proper divisors (1).

126774541 is an equidigital number, since it uses as much as digits as its factorization.

126774541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 126774541 is about 11259.4201005203. The cubic root of 126774541 is about 502.3549457147.

The spelling of 126774541 in words is "one hundred twenty-six million, seven hundred seventy-four thousand, five hundred forty-one".