121283434 has 4 divisors (see below), whose sum is σ = 181925154. Its totient is φ = 60641716.

The previous prime is 121283417. The next prime is 121283443. The reversal of 121283434 is 434382121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434382121 = 1721 ⋅252401.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 39652209 = 9035^2 + 6297^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30320857 + ... + 30320860.

Almost surely, 2^121283434 is an apocalyptic number.

121283434 is a deficient number, since it is larger than the sum of its proper divisors (60641720).

121283434 is an equidigital number, since it uses as much as digits as its factorization.

121283434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60641719.

The product of its digits is 4608, while the sum is 28.

The square root of 121283434 is about 11012.8758278662. The cubic root of 121283434 is about 494.9946385842.

The spelling of 121283434 in words is "one hundred twenty-one million, two hundred eighty-three thousand, four hundred thirty-four".