124731432137 has 8 divisors (see below), whose sum is σ = 135944546304. Its totient is φ = 113749516368.

The previous prime is 124731432131. The next prime is 124731432151. The reversal of 124731432137 is 731234137421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124731432137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124731432137.

It is not an unprimeable number, because it can be changed into a prime (124731432131) 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 7 ways as a sum of consecutive naturals, for example, 57798473 + ... + 57800630.

It is an arithmetic number, because the mean of its divisors is an integer number (16993068288).

Almost surely, 2^124731432137 is an apocalyptic number.

It is an amenable number.

124731432137 is a deficient number, since it is larger than the sum of its proper divisors (11213114167).

124731432137 is a wasteful number, since it uses less digits than its factorization.

124731432137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115599199.

The product of its digits is 84672, while the sum is 38.

Adding to 124731432137 its reverse (731234137421), we get a palindrome (855965569558).

The spelling of 124731432137 in words is "one hundred twenty-four billion, seven hundred thirty-one million, four hundred thirty-two thousand, one hundred thirty-seven".