121527302530 has 32 divisors (see below), whose sum is σ = 224968281264. Its totient is φ = 47232481536.

The previous prime is 121527302513. The next prime is 121527302543. The reversal of 121527302530 is 35203725121.

It can be written as a sum of positive squares in 8 ways, for example, as 120263997681 + 1263304849 = 346791^2 + 35543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121527302492 and 121527302501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47164 + ... + 495256.

Almost surely, 2^121527302530 is an apocalyptic number.

121527302530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121527302530 is a deficient number, since it is larger than the sum of its proper divisors (103440978734).

121527302530 is a wasteful number, since it uses less digits than its factorization.

121527302530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448870.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 121527302530 in words is "one hundred twenty-one billion, five hundred twenty-seven million, three hundred two thousand, five hundred thirty".