121240234 has 8 divisors (see below), whose sum is σ = 182256228. Its totient is φ = 60488160.

The previous prime is 121240219. The next prime is 121240253. The reversal of 121240234 is 432042121.

It can be written as a sum of positive squares in 2 ways, for example, as 119793025 + 1447209 = 10945^2 + 1203^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64827 + ... + 66670.

Almost surely, 2^121240234 is an apocalyptic number.

121240234 is a deficient number, since it is larger than the sum of its proper divisors (61015994).

121240234 is a wasteful number, since it uses less digits than its factorization.

121240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131960.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121240234 is about 11010.9143126264. The cubic root of 121240234 is about 494.9358608186.

Adding to 121240234 its reverse (432042121), we get a palindrome (553282355).

The spelling of 121240234 in words is "one hundred twenty-one million, two hundred forty thousand, two hundred thirty-four".