121500230929 has 8 divisors (see below), whose sum is σ = 151480807488. Its totient is φ = 94675504560.

The previous prime is 121500230923. The next prime is 121500230933. The reversal of 121500230929 is 929032005121.

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

It is not a de Polignac number, because 121500230929 - 2³ = 121500230921 is a prime.

It is a super-2 number, since 2×121500230929² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121500230894 and 121500230903.

It is not an unprimeable number, because it can be changed into a prime (121500230921) 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, 788962462 + ... + 788962615.

It is an arithmetic number, because the mean of its divisors is an integer number (18935100936).

Almost surely, 2^121500230929 is an apocalyptic number.

It is an amenable number.

121500230929 is a deficient number, since it is larger than the sum of its proper divisors (29980576559).

121500230929 is a wasteful number, since it uses less digits than its factorization.

121500230929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577925095.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 121500230929 in words is "one hundred twenty-one billion, five hundred million, two hundred thirty thousand, nine hundred twenty-nine".