121204330 has 16 divisors (see below), whose sum is σ = 234950184. Its totient is φ = 44752320.

The previous prime is 121204283. The next prime is 121204331. The reversal of 121204330 is 33402121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85766121 + 35438209 = 9261^2 + 5953^2 .

It is a super-2 number, since 2×121204330² = 29380979221497800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121204331) 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, 466041 + ... + 466300.

Almost surely, 2^121204330 is an apocalyptic number.

121204330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121204330 is a deficient number, since it is larger than the sum of its proper divisors (113745854).

121204330 is a wasteful number, since it uses less digits than its factorization.

121204330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932361.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121204330 is about 11009.2838095854. The cubic root of 121204330 is about 494.8869993392.

Adding to 121204330 its reverse (33402121), we get a palindrome (154606451).

The spelling of 121204330 in words is "one hundred twenty-one million, two hundred four thousand, three hundred thirty".