124220472647 has 8 divisors (see below), whose sum is σ = 131153439360. Its totient is φ = 117327010680.

The previous prime is 124220472641. The next prime is 124220472653. The reversal of 124220472647 is 746274022421.

It is an interprime number because it is at equal distance from previous prime (124220472641) and next prime (124220472653).

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

It is a cyclic number.

It is not a de Polignac number, because 124220472647 - 2⁴ = 124220472631 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 (124220472641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9869723 + ... + 9882300.

It is an arithmetic number, because the mean of its divisors is an integer number (16394179920).

Almost surely, 2^124220472647 is an apocalyptic number.

124220472647 is a deficient number, since it is larger than the sum of its proper divisors (6932966713).

124220472647 is a wasteful number, since it uses less digits than its factorization.

124220472647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19752373.

The product of its (nonzero) digits is 301056, while the sum is 41.

The spelling of 124220472647 in words is "one hundred twenty-four billion, two hundred twenty million, four hundred seventy-two thousand, six hundred forty-seven".