72047124101 has 8 divisors (see below), whose sum is σ = 72221222304. Its totient is φ = 71873237520.

The previous prime is 72047124077. The next prime is 72047124103. The reversal of 72047124101 is 10142174027.

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 72047124101 - 2¹⁰ = 72047123077 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 (72047124103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639710 + ... + 743856.

It is an arithmetic number, because the mean of its divisors is an integer number (9027652788).

Almost surely, 2^72047124101 is an apocalyptic number.

It is an amenable number.

72047124101 is a deficient number, since it is larger than the sum of its proper divisors (174098203).

72047124101 is a wasteful number, since it uses less digits than its factorization.

72047124101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105811.

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 72047124101 its reverse (10142174027), we get a palindrome (82189298128).

The spelling of 72047124101 in words is "seventy-two billion, forty-seven million, one hundred twenty-four thousand, one hundred one".