72126102 has 8 divisors (see below), whose sum is σ = 144252216. Its totient is φ = 24042032.

The previous prime is 72126101. The next prime is 72126107. The reversal of 72126102 is 20162127.

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

72126102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72126101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010503 + ... + 6010514.

It is an arithmetic number, because the mean of its divisors is an integer number (18031527).

Almost surely, 2^72126102 is an apocalyptic number.

72126102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72126102 is a wasteful number, since it uses less digits than its factorization.

72126102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12021022.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 72126102 is about 8492.7087551617. The cubic root of 72126102 is about 416.2594958560.

Adding to 72126102 its reverse (20162127), we get a palindrome (92288229).

The spelling of 72126102 in words is "seventy-two million, one hundred twenty-six thousand, one hundred two".