121283834 has 16 divisors (see below), whose sum is σ = 208631808. Its totient is φ = 51799632.

The previous prime is 121283809. The next prime is 121283837. The reversal of 121283834 is 438382121.

It is a self number, because there is not a number n which added to its sum of digits gives 121283834.

It is not an unprimeable number, because it can be changed into a prime (121283837) 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, 10682 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (13039488).

Almost surely, 2^121283834 is an apocalyptic number.

121283834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121283834 is a deficient number, since it is larger than the sum of its proper divisors (87347974).

121283834 is a wasteful number, since it uses less digits than its factorization.

121283834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29869.

The product of its digits is 9216, while the sum is 32.

The square root of 121283834 is about 11012.8939884119. The cubic root of 121283834 is about 494.9951827576.

The spelling of 121283834 in words is "one hundred twenty-one million, two hundred eighty-three thousand, eight hundred thirty-four".