124040061 has 6 divisors (see below), whose sum is σ = 179168990. Its totient is φ = 82693368.

The previous prime is 124040057. The next prime is 124040093. The reversal of 124040061 is 160040421.

It can be written as a sum of positive squares in only one way, i.e., 118135161 + 5904900 = 10869^2 + 2430^2 .

It is not a de Polignac number, because 124040061 - 2² = 124040057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124040051) 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 in 5 ways as a sum of consecutive naturals, for example, 6891106 + ... + 6891123.

Almost surely, 2^124040061 is an apocalyptic number.

It is an amenable number.

124040061 is a deficient number, since it is larger than the sum of its proper divisors (55128929).

124040061 is a wasteful number, since it uses less digits than its factorization.

124040061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782235 (or 13782232 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 124040061 is about 11137.3273723995. The cubic root of 124040061 is about 498.7167908994.

Adding to 124040061 its reverse (160040421), we get a palindrome (284080482).

The spelling of 124040061 in words is "one hundred twenty-four million, forty thousand, sixty-one".