121201330 has 32 divisors (see below), whose sum is σ = 236643120. Its totient is φ = 44513280.

The previous prime is 121201319. The next prime is 121201343. The reversal of 121201330 is 33102121.

It can be written as a sum of positive squares in 8 ways, for example, as 44235801 + 76965529 = 6651^2 + 8773^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121201330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725 + ... + 15664.

Almost surely, 2^121201330 is an apocalyptic number.

121201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201330 is a deficient number, since it is larger than the sum of its proper divisors (115441790).

121201330 is a wasteful number, since it uses less digits than its factorization.

121201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17454.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121201330 is about 11009.1475600975. The cubic root of 121201330 is about 494.8829162253.

Adding to 121201330 its reverse (33102121), we get a palindrome (154303451).

The spelling of 121201330 in words is "one hundred twenty-one million, two hundred one thousand, three hundred thirty".