121234896 has 120 divisors (see below), whose sum is σ = 362635520. Its totient is φ = 37698048.

The previous prime is 121234891. The next prime is 121234913. The reversal of 121234896 is 698432121.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 121234896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199425 + ... + 200031.

Almost surely, 2^121234896 is an apocalyptic number.

121234896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121234896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181317760).

121234896 is an abundant number, since it is smaller than the sum of its proper divisors (241400624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121234896 is a wasteful number, since it uses less digits than its factorization.

121234896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 704 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 121234896 is about 11010.6719141022. The cubic root of 121234896 is about 494.9285969857.

The spelling of 121234896 in words is "one hundred twenty-one million, two hundred thirty-four thousand, eight hundred ninety-six".