125145071 has 2 divisors, whose sum is σ = 125145072. Its totient is φ = 125145070.

The previous prime is 125145049. The next prime is 125145073. The reversal of 125145071 is 170541521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125145071 - 2²⁶ = 58036207 is a prime.

It is a super-2 number, since 2×125145071² = 31322577591190082, which contains 22 as substring.

Together with 125145073, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125145071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125145073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62572535 + 62572536.

It is an arithmetic number, because the mean of its divisors is an integer number (62572536).

Almost surely, 2^125145071 is an apocalyptic number.

125145071 is a deficient number, since it is larger than the sum of its proper divisors (1).

125145071 is an equidigital number, since it uses as much as digits as its factorization.

125145071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 125145071 is about 11186.8257785665. The cubic root of 125145071 is about 500.1933532194.

Adding to 125145071 its reverse (170541521), we get a palindrome (295686592).

It can be divided in two parts, 1251450 and 71, that added together give a palindrome (1251521).

The spelling of 125145071 in words is "one hundred twenty-five million, one hundred forty-five thousand, seventy-one".