125101102543 has 2 divisors, whose sum is σ = 125101102544. Its totient is φ = 125101102542.

The previous prime is 125101102541. The next prime is 125101102549. The reversal of 125101102543 is 345201101521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125101102543 - 2¹ = 125101102541 is a prime.

Together with 125101102541, 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 (125101102541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62550551271 + 62550551272.

It is an arithmetic number, because the mean of its divisors is an integer number (62550551272).

Almost surely, 2^125101102543 is an apocalyptic number.

125101102543 is a deficient number, since it is larger than the sum of its proper divisors (1).

125101102543 is an equidigital number, since it uses as much as digits as its factorization.

125101102543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 125101102543 in words is "one hundred twenty-five billion, one hundred one million, one hundred two thousand, five hundred forty-three".