125419201277 has 2 divisors, whose sum is σ = 125419201278. Its totient is φ = 125419201276.

The previous prime is 125419201223. The next prime is 125419201279. The reversal of 125419201277 is 772102914521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92812231801 + 32606969476 = 304651^2 + 180574^2 .

It is a cyclic number.

It is not a de Polignac number, because 125419201277 - 2⁸ = 125419201021 is a prime.

Together with 125419201279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125419201279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62709600638 + 62709600639.

It is an arithmetic number, because the mean of its divisors is an integer number (62709600639).

Almost surely, 2^125419201277 is an apocalyptic number.

It is an amenable number.

125419201277 is a deficient number, since it is larger than the sum of its proper divisors (1).

125419201277 is an equidigital number, since it uses as much as digits as its factorization.

125419201277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 125419201277 in words is "one hundred twenty-five billion, four hundred nineteen million, two hundred one thousand, two hundred seventy-seven".