121530115235 has 16 divisors (see below), whose sum is σ = 146549295360. Its totient is φ = 96749500800.

The previous prime is 121530115171. The next prime is 121530115249. The reversal of 121530115235 is 532511035121.

It is not a de Polignac number, because 121530115235 - 2⁶ = 121530115171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121530115198 and 121530115207.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1108385 + ... + 1213085.

It is an arithmetic number, because the mean of its divisors is an integer number (9159330960).

Almost surely, 2^121530115235 is an apocalyptic number.

121530115235 is a deficient number, since it is larger than the sum of its proper divisors (25019180125).

121530115235 is a wasteful number, since it uses less digits than its factorization.

121530115235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105838.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 121530115235 in words is "one hundred twenty-one billion, five hundred thirty million, one hundred fifteen thousand, two hundred thirty-five".