125541043 has 2 divisors, whose sum is σ = 125541044. Its totient is φ = 125541042.

The previous prime is 125541023. The next prime is 125541071. The reversal of 125541043 is 340145521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125541043 - 2⁵ = 125541011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125540999 and 125541017.

It is not a weakly prime, because it can be changed into another prime (125541023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62770521 + 62770522.

It is an arithmetic number, because the mean of its divisors is an integer number (62770522).

Almost surely, 2^125541043 is an apocalyptic number.

125541043 is a deficient number, since it is larger than the sum of its proper divisors (1).

125541043 is an equidigital number, since it uses as much as digits as its factorization.

125541043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 125541043 is about 11204.5099401982. The cubic root of 125541043 is about 500.7203523532.

Adding to 125541043 its reverse (340145521), we get a palindrome (465686564).

The spelling of 125541043 in words is "one hundred twenty-five million, five hundred forty-one thousand, forty-three".