121375230 has 64 divisors (see below), whose sum is σ = 316569600. Its totient is φ = 29669760.

The previous prime is 121375229. The next prime is 121375231. The reversal of 121375230 is 32573121.

It is an interprime number because it is at equal distance from previous prime (121375229) and next prime (121375231).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121375230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121375231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14236 + ... + 21104.

It is an arithmetic number, because the mean of its divisors is an integer number (4946400).

Almost surely, 2^121375230 is an apocalyptic number.

121375230 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 121375230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158284800).

121375230 is an abundant number, since it is smaller than the sum of its proper divisors (195194370).

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

121375230 is a wasteful number, since it uses less digits than its factorization.

121375230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 121375230 is about 11017.0427066432. The cubic root of 121375230 is about 495.1194895702.

The spelling of 121375230 in words is "one hundred twenty-one million, three hundred seventy-five thousand, two hundred thirty".