102239974441 has 8 divisors (see below), whose sum is σ = 112218780384. Its totient is φ = 92375212320.

The previous prime is 102239974439. The next prime is 102239974489. The reversal of 102239974441 is 144479932201.

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 102239974441 - 2¹ = 102239974439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102239974391 and 102239974400.

It is not an unprimeable number, because it can be changed into a prime (102239974541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28509076 + ... + 28512661.

It is an arithmetic number, because the mean of its divisors is an integer number (14027347548).

Almost surely, 2^102239974441 is an apocalyptic number.

102239974441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102239974441 is a deficient number, since it is larger than the sum of its proper divisors (9978805943).

102239974441 is a wasteful number, since it uses less digits than its factorization.

102239974441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57021911.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 102239974441 in words is "one hundred two billion, two hundred thirty-nine million, nine hundred seventy-four thousand, four hundred forty-one".