125701133 has 2 divisors, whose sum is σ = 125701134. Its totient is φ = 125701132.

The previous prime is 125701129. The next prime is 125701151. The reversal of 125701133 is 331107521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124055044 + 1646089 = 11138^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 125701133 - 2² = 125701129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125701099 and 125701108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125701153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62850566 + 62850567.

It is an arithmetic number, because the mean of its divisors is an integer number (62850567).

Almost surely, 2^125701133 is an apocalyptic number.

It is an amenable number.

125701133 is a deficient number, since it is larger than the sum of its proper divisors (1).

125701133 is an equidigital number, since it uses as much as digits as its factorization.

125701133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 125701133 is about 11211.6516624447. The cubic root of 125701133 is about 500.9331015597.

Adding to 125701133 its reverse (331107521), we get a palindrome (456808654).

The spelling of 125701133 in words is "one hundred twenty-five million, seven hundred one thousand, one hundred thirty-three".