125440573451 has 2 divisors, whose sum is σ = 125440573452. Its totient is φ = 125440573450.

The previous prime is 125440573429. The next prime is 125440573457. The reversal of 125440573451 is 154375044521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125440573451 - 2¹⁰ = 125440572427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125440573399 and 125440573408.

It is not a weakly prime, because it can be changed into another prime (125440573457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62720286725 + 62720286726.

It is an arithmetic number, because the mean of its divisors is an integer number (62720286726).

Almost surely, 2^125440573451 is an apocalyptic number.

125440573451 is a deficient number, since it is larger than the sum of its proper divisors (1).

125440573451 is an equidigital number, since it uses as much as digits as its factorization.

125440573451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 125440573451 in words is "one hundred twenty-five billion, four hundred forty million, five hundred seventy-three thousand, four hundred fifty-one".