125135071 has 2 divisors, whose sum is σ = 125135072. Its totient is φ = 125135070.

The previous prime is 125135053. The next prime is 125135077. The reversal of 125135071 is 170531521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125135071 - 2¹³ = 125126879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125135077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567535 + 62567536.

It is an arithmetic number, because the mean of its divisors is an integer number (62567536).

Almost surely, 2^125135071 is an apocalyptic number.

125135071 is a deficient number, since it is larger than the sum of its proper divisors (1).

125135071 is an equidigital number, since it uses as much as digits as its factorization.

125135071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 125135071 is about 11186.3788153271. The cubic root of 125135071 is about 500.1800298374.

Adding to 125135071 its reverse (170531521), we get a palindrome (295666592).

The spelling of 125135071 in words is "one hundred twenty-five million, one hundred thirty-five thousand, seventy-one".