124665665061 has 32 divisors (see below), whose sum is σ = 198349682688. Its totient is φ = 68097775680.

The previous prime is 124665665051. The next prime is 124665665071. The reversal of 124665665061 is 160566566421.

It is an interprime number because it is at equal distance from previous prime (124665665051) and next prime (124665665071).

It is not a de Polignac number, because 124665665061 - 2⁷ = 124665664933 is a prime.

It is a super-2 number, since 2×124665665061² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124665665061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124665665051) 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 31 ways as a sum of consecutive naturals, for example, 703330 + ... + 862556.

It is an arithmetic number, because the mean of its divisors is an integer number (6198427584).

Almost surely, 2^124665665061 is an apocalyptic number.

It is an amenable number.

124665665061 is a deficient number, since it is larger than the sum of its proper divisors (73684017627).

124665665061 is a wasteful number, since it uses less digits than its factorization.

124665665061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160881.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 124665665061 in words is "one hundred twenty-four billion, six hundred sixty-five million, six hundred sixty-five thousand, sixty-one".