72151102 has 12 divisors (see below), whose sum is σ = 108871560. Its totient is φ = 35861576.

The previous prime is 72151097. The next prime is 72151109. The reversal of 72151102 is 20115127.

It is a self number, because there is not a number n which added to its sum of digits gives 72151102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72151109) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 200799 + ... + 201157.

It is an arithmetic number, because the mean of its divisors is an integer number (9072630).

Almost surely, 2^72151102 is an apocalyptic number.

72151102 is a deficient number, since it is larger than the sum of its proper divisors (36720458).

72151102 is an equidigital number, since it uses as much as digits as its factorization.

72151102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 678 counting only the distinct ones).

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

The square root of 72151102 is about 8494.1804784217. The cubic root of 72151102 is about 416.3075842502.

Adding to 72151102 its reverse (20115127), we get a palindrome (92266229).

The spelling of 72151102 in words is "seventy-two million, one hundred fifty-one thousand, one hundred two".