125673161 has 2 divisors, whose sum is σ = 125673162. Its totient is φ = 125673160.

The previous prime is 125673151. The next prime is 125673167. The reversal of 125673161 is 161376521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106915600 + 18757561 = 10340^2 + 4331^2 .

It is a cyclic number.

It is not a de Polignac number, because 125673161 - 2¹⁴ = 125656777 is a prime.

It is not a weakly prime, because it can be changed into another prime (125673167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62836580 + 62836581.

It is an arithmetic number, because the mean of its divisors is an integer number (62836581).

Almost surely, 2^125673161 is an apocalyptic number.

It is an amenable number.

125673161 is a deficient number, since it is larger than the sum of its proper divisors (1).

125673161 is an equidigital number, since it uses as much as digits as its factorization.

125673161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 125673161 is about 11210.4041407971. The cubic root of 125673161 is about 500.8959416183.

The spelling of 125673161 in words is "one hundred twenty-five million, six hundred seventy-three thousand, one hundred sixty-one".