126920441 has 2 divisors, whose sum is σ = 126920442. Its totient is φ = 126920440.

The previous prime is 126920401. The next prime is 126920447. The reversal of 126920441 is 144029621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106172416 + 20748025 = 10304^2 + 4555^2 .

It is a cyclic number.

It is not a de Polignac number, because 126920441 - 2⁶ = 126920377 is a prime.

It is a super-2 number, since 2×126920441² = 32217596687268962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (126920447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63460220 + 63460221.

It is an arithmetic number, because the mean of its divisors is an integer number (63460221).

Almost surely, 2^126920441 is an apocalyptic number.

It is an amenable number.

126920441 is a deficient number, since it is larger than the sum of its proper divisors (1).

126920441 is an equidigital number, since it uses as much as digits as its factorization.

126920441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 126920441 is about 11265.8972567657. The cubic root of 126920441 is about 502.5475855698.

The spelling of 126920441 in words is "one hundred twenty-six million, nine hundred twenty thousand, four hundred forty-one".