125184049 has 2 divisors, whose sum is σ = 125184050. Its totient is φ = 125184048.

The previous prime is 125184043. The next prime is 125184071. The reversal of 125184049 is 940481521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 14197824 = 10535^2 + 3768^2 .

It is a cyclic number.

It is not a de Polignac number, because 125184049 - 2²¹ = 123086897 is a prime.

It is a super-2 number, since 2×125184049² = 31342092248068802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125184043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62592024 + 62592025.

It is an arithmetic number, because the mean of its divisors is an integer number (62592025).

Almost surely, 2^125184049 is an apocalyptic number.

It is an amenable number.

125184049 is a deficient number, since it is larger than the sum of its proper divisors (1).

125184049 is an equidigital number, since it uses as much as digits as its factorization.

125184049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 125184049 is about 11188.5677814455. The cubic root of 125184049 is about 500.2452783241.

The spelling of 125184049 in words is "one hundred twenty-five million, one hundred eighty-four thousand, forty-nine".