125147069 has 2 divisors, whose sum is σ = 125147070. Its totient is φ = 125147068.

The previous prime is 125147063. The next prime is 125147111. The reversal of 125147069 is 960741521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124055044 + 1092025 = 11138^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 125147069 - 2²⁴ = 108369853 is a prime.

It is a super-2 number, since 2×125147069² = 31323577758581522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125147063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62573534 + 62573535.

It is an arithmetic number, because the mean of its divisors is an integer number (62573535).

Almost surely, 2^125147069 is an apocalyptic number.

It is an amenable number.

125147069 is a deficient number, since it is larger than the sum of its proper divisors (1).

125147069 is an equidigital number, since it uses as much as digits as its factorization.

125147069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 125147069 is about 11186.9150796813. The cubic root of 125147069 is about 500.1960151461.

The spelling of 125147069 in words is "one hundred twenty-five million, one hundred forty-seven thousand, sixty-nine".