125340464461243 has 2 divisors, whose sum is σ = 125340464461244. Its totient is φ = 125340464461242.

The previous prime is 125340464461181. The next prime is 125340464461253. The reversal of 125340464461243 is 342164464043521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125340464461243 is a prime.

It is a super-3 number, since 3×125340464461243³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (125340464461253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62670232230621 + 62670232230622.

It is an arithmetic number, because the mean of its divisors is an integer number (62670232230622).

Almost surely, 2^{125340464461243} is an apocalyptic number.

125340464461243 is a deficient number, since it is larger than the sum of its proper divisors (1).

125340464461243 is an equidigital number, since it uses as much as digits as its factorization.

125340464461243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 125340464461243 in words is "one hundred twenty-five trillion, three hundred forty billion, four hundred sixty-four million, four hundred sixty-one thousand, two hundred forty-three".