125103311 has 2 divisors, whose sum is σ = 125103312. Its totient is φ = 125103310.

The previous prime is 125103301. The next prime is 125103313. The reversal of 125103311 is 113301521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125103311 is a prime.

Together with 125103313, 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 125103311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125103313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62551655 + 62551656.

It is an arithmetic number, because the mean of its divisors is an integer number (62551656).

Almost surely, 2^125103311 is an apocalyptic number.

125103311 is a deficient number, since it is larger than the sum of its proper divisors (1).

125103311 is an equidigital number, since it uses as much as digits as its factorization.

125103311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 125103311 is about 11184.9591416330. The cubic root of 125103311 is about 500.1377100684.

Adding to 125103311 its reverse (113301521), we get a palindrome (238404832).

The spelling of 125103311 in words is "one hundred twenty-five million, one hundred three thousand, three hundred eleven".