72115102 has 8 divisors (see below), whose sum is σ = 108210312. Its totient is φ = 36045000.

The previous prime is 72115091. The next prime is 72115151. The reversal of 72115102 is 20151127.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72115102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4852 + ... + 12952.

It is an arithmetic number, because the mean of its divisors is an integer number (13526289).

Almost surely, 2^72115102 is an apocalyptic number.

72115102 is a deficient number, since it is larger than the sum of its proper divisors (36095210).

72115102 is a wasteful number, since it uses less digits than its factorization.

72115102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 72115102 is about 8492.0611161249. The cubic root of 72115102 is about 416.2383334422.

Adding to 72115102 its reverse (20151127), we get a palindrome (92266229).

The spelling of 72115102 in words is "seventy-two million, one hundred fifteen thousand, one hundred two".