121742330 has 8 divisors (see below), whose sum is σ = 219136212. Its totient is φ = 48696928.

The previous prime is 121742317. The next prime is 121742347. The reversal of 121742330 is 33247121.

It can be written as a sum of positive squares in 2 ways, for example, as 114682681 + 7059649 = 10709^2 + 2657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121742296 and 121742305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6087107 + ... + 6087126.

Almost surely, 2^121742330 is an apocalyptic number.

121742330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121742330 is a deficient number, since it is larger than the sum of its proper divisors (97393882).

121742330 is a wasteful number, since it uses less digits than its factorization.

121742330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174240.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 121742330 is about 11033.6906790067. The cubic root of 121742330 is about 495.6181509771.

Adding to 121742330 its reverse (33247121), we get a palindrome (154989451).

The spelling of 121742330 in words is "one hundred twenty-one million, seven hundred forty-two thousand, three hundred thirty".