125744073473 has 2 divisors, whose sum is σ = 125744073474. Its totient is φ = 125744073472.

The previous prime is 125744073439. The next prime is 125744073479. The reversal of 125744073473 is 374370447521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124786975504 + 957097969 = 353252^2 + 30937^2 .

It is a cyclic number.

It is not a de Polignac number, because 125744073473 - 2⁶ = 125744073409 is a prime.

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 (125744073479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62872036736 + 62872036737.

It is an arithmetic number, because the mean of its divisors is an integer number (62872036737).

Almost surely, 2^125744073473 is an apocalyptic number.

It is an amenable number.

125744073473 is a deficient number, since it is larger than the sum of its proper divisors (1).

125744073473 is an equidigital number, since it uses as much as digits as its factorization.

125744073473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 125744073473 in words is "one hundred twenty-five billion, seven hundred forty-four million, seventy-three thousand, four hundred seventy-three".