121193430 has 16 divisors (see below), whose sum is σ = 290864304. Its totient is φ = 32318240.

The previous prime is 121193411. The next prime is 121193431. The reversal of 121193430 is 34391121.

It is a self number, because there is not a number n which added to its sum of digits gives 121193430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121193431) 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, 2019861 + ... + 2019920.

It is an arithmetic number, because the mean of its divisors is an integer number (18179019).

Almost surely, 2^121193430 is an apocalyptic number.

121193430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121193430 is an abundant number, since it is smaller than the sum of its proper divisors (169670874).

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

121193430 is a wasteful number, since it uses less digits than its factorization.

121193430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039791.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 121193430 is about 11008.7887617122. The cubic root of 121193430 is about 494.8721637031.

The spelling of 121193430 in words is "one hundred twenty-one million, one hundred ninety-three thousand, four hundred thirty".