125400054443 has 2 divisors, whose sum is σ = 125400054444. Its totient is φ = 125400054442.

The previous prime is 125400054427. The next prime is 125400054503. The reversal of 125400054443 is 344450004521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125400054443 - 2⁴ = 125400054427 is a prime.

It is not a weakly prime, because it can be changed into another prime (125400024443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62700027221 + 62700027222.

It is an arithmetic number, because the mean of its divisors is an integer number (62700027222).

Almost surely, 2^125400054443 is an apocalyptic number.

125400054443 is a deficient number, since it is larger than the sum of its proper divisors (1).

125400054443 is an equidigital number, since it uses as much as digits as its factorization.

125400054443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 125400054443 its reverse (344450004521), we get a palindrome (469850058964).

The spelling of 125400054443 in words is "one hundred twenty-five billion, four hundred million, fifty-four thousand, four hundred forty-three".