125568061 has 2 divisors, whose sum is σ = 125568062. Its totient is φ = 125568060.

The previous prime is 125568059. The next prime is 125568133. The reversal of 125568061 is 160865521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116532025 + 9036036 = 10795^2 + 3006^2 .

It is a cyclic number.

It is not a de Polignac number, because 125568061 - 2¹ = 125568059 is a prime.

Together with 125568059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125568761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62784030 + 62784031.

It is an arithmetic number, because the mean of its divisors is an integer number (62784031).

Almost surely, 2^125568061 is an apocalyptic number.

It is an amenable number.

125568061 is a deficient number, since it is larger than the sum of its proper divisors (1).

125568061 is an equidigital number, since it uses as much as digits as its factorization.

125568061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 125568061 is about 11205.7155505572. The cubic root of 125568061 is about 500.7562702007.

The spelling of 125568061 in words is "one hundred twenty-five million, five hundred sixty-eight thousand, sixty-one".