102240520929 has 6 divisors (see below), whose sum is σ = 147680752466. Its totient is φ = 68160347280.

The previous prime is 102240520903. The next prime is 102240520937. The reversal of 102240520929 is 929025042201.

102240520929 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 40 + 520 + 92 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88180490304 + 14060030625 = 296952^2 + 118575^2 .

It is not a de Polignac number, because 102240520929 - 2⁸ = 102240520673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102240520893 and 102240520902.

It is not an unprimeable number, because it can be changed into a prime (102240520939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5680028932 + ... + 5680028949.

Almost surely, 2^102240520929 is an apocalyptic number.

It is an amenable number.

102240520929 is a deficient number, since it is larger than the sum of its proper divisors (45440231537).

102240520929 is a wasteful number, since it uses less digits than its factorization.

102240520929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11360057887 (or 11360057884 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 102240520929 in words is "one hundred two billion, two hundred forty million, five hundred twenty thousand, nine hundred twenty-nine".