125143673 has 2 divisors, whose sum is σ = 125143674. Its totient is φ = 125143672.

The previous prime is 125143649. The next prime is 125143687. The reversal of 125143673 is 376341521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123032464 + 2111209 = 11092^2 + 1453^2 .

It is an emirp because it is prime and its reverse (376341521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125143673 - 2¹⁸ = 124881529 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 (125143693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62571836 + 62571837.

It is an arithmetic number, because the mean of its divisors is an integer number (62571837).

Almost surely, 2^125143673 is an apocalyptic number.

It is an amenable number.

125143673 is a deficient number, since it is larger than the sum of its proper divisors (1).

125143673 is an equidigital number, since it uses as much as digits as its factorization.

125143673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 125143673 is about 11186.7632941794. The cubic root of 125143673 is about 500.1914906533.

The spelling of 125143673 in words is "one hundred twenty-five million, one hundred forty-three thousand, six hundred seventy-three".