125132731043 has 2 divisors, whose sum is σ = 125132731044. Its totient is φ = 125132731042.

The previous prime is 125132731039. The next prime is 125132731081. The reversal of 125132731043 is 340137231521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125132731043 - 2² = 125132731039 is a prime.

It is a super-4 number, since 4×125132731043⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (125132731093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62566365521 + 62566365522.

It is an arithmetic number, because the mean of its divisors is an integer number (62566365522).

Almost surely, 2^125132731043 is an apocalyptic number.

125132731043 is a deficient number, since it is larger than the sum of its proper divisors (1).

125132731043 is an equidigital number, since it uses as much as digits as its factorization.

125132731043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 125132731043 its reverse (340137231521), we get a palindrome (465269962564).

The spelling of 125132731043 in words is "one hundred twenty-five billion, one hundred thirty-two million, seven hundred thirty-one thousand, forty-three".