121803696 has 160 divisors (see below), whose sum is σ = 408545280. Its totient is φ = 34020864.

The previous prime is 121803659. The next prime is 121803733. The reversal of 121803696 is 696308121.

It is an interprime number because it is at equal distance from previous prime (121803659) and next prime (121803733).

It is a super-2 number, since 2×121803696² = 29672280718520832, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121803696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141700 + ... + 142556.

It is an arithmetic number, because the mean of its divisors is an integer number (2553408).

Almost surely, 2^121803696 is an apocalyptic number.

121803696 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 121803696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204272640).

121803696 is an abundant number, since it is smaller than the sum of its proper divisors (286741584).

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

121803696 is a wasteful number, since it uses less digits than its factorization.

121803696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 121803696 is about 11036.4711751538. The cubic root of 121803696 is about 495.7014115123.

It can be divided in two parts, 12180 and 3696, that added together give a square (15876 = 126²).

The spelling of 121803696 in words is "one hundred twenty-one million, eight hundred three thousand, six hundred ninety-six".