121826430 has 160 divisors (see below), whose sum is σ = 363499488. Its totient is φ = 29272320.

The previous prime is 121826413. The next prime is 121826431. The reversal of 121826430 is 34628121.

121826430 is a `hidden beast` number, since 1 + 2 + 18 + 2 + 643 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121826394 and 121826403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121826431) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1078054 + ... + 1078166.

Almost surely, 2^121826430 is an apocalyptic number.

121826430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121826430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181749744).

121826430 is an abundant number, since it is smaller than the sum of its proper divisors (241673058).

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

121826430 is a wasteful number, since it uses less digits than its factorization.

121826430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 121826430 is about 11037.5010758776. The cubic root of 121826430 is about 495.7322495882.

The spelling of 121826430 in words is "one hundred twenty-one million, eight hundred twenty-six thousand, four hundred thirty".