125773201 has 4 divisors (see below), whose sum is σ = 125917492. Its totient is φ = 125628912.

The previous prime is 125773189. The next prime is 125773213. The reversal of 125773201 is 102377521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102377521 = 4861 ⋅21061.

It is an interprime number because it is at equal distance from previous prime (125773189) and next prime (125773213).

It can be written as a sum of positive squares in 2 ways, for example, as 117158976 + 8614225 = 10824^2 + 2935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125773201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125773201.

It is not an unprimeable number, because it can be changed into a prime (125773001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70830 + ... + 72583.

It is an arithmetic number, because the mean of its divisors is an integer number (31479373).

Almost surely, 2^125773201 is an apocalyptic number.

It is an amenable number.

125773201 is a deficient number, since it is larger than the sum of its proper divisors (144291).

125773201 is an equidigital number, since it uses as much as digits as its factorization.

125773201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144290.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 125773201 is about 11214.8651797514. The cubic root of 125773201 is about 501.0288162888.

The spelling of 125773201 in words is "one hundred twenty-five million, seven hundred seventy-three thousand, two hundred one".