121143050530 has 16 divisors (see below), whose sum is σ = 225576715320. Its totient is φ = 46786281472.

The previous prime is 121143050521. The next prime is 121143050533. The reversal of 121143050530 is 35050341121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112739478289 + 8403572241 = 335767^2 + 91671^2 .

It is a super-3 number, since 3×121143050530³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121143050495 and 121143050504.

It is not an unprimeable number, because it can be changed into a prime (121143050533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208867039 + ... + 208867618.

Almost surely, 2^121143050530 is an apocalyptic number.

121143050530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121143050530 is a deficient number, since it is larger than the sum of its proper divisors (104433664790).

121143050530 is a wasteful number, since it uses less digits than its factorization.

121143050530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417734693.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 121143050530 its reverse (35050341121), we get a palindrome (156193391651).

The spelling of 121143050530 in words is "one hundred twenty-one billion, one hundred forty-three million, fifty thousand, five hundred thirty".