Search a number
-
+
121571214 = 2320261869
BaseRepresentation
bin1110011111100…
…00011110001110
322110202110100120
413033300132032
5222110234324
620021405410
73004224012
oct717603616
9273673316
10121571214
1162695286
1234869866
131c25713b
1412208542
15aa16179
hex73f078e

121571214 has 8 divisors (see below), whose sum is σ = 243142440. Its totient is φ = 40523736.

The previous prime is 121571183. The next prime is 121571239. The reversal of 121571214 is 412175121.

It is a sphenic number, since it is the product of 3 distinct primes.

121571214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10130929 + ... + 10130940.

It is an arithmetic number, because the mean of its divisors is an integer number (30392805).

Almost surely, 2121571214 is an apocalyptic number.

121571214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121571214 is a wasteful number, since it uses less digits than its factorization.

121571214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20261874.

The product of its digits is 560, while the sum is 24.

The square root of 121571214 is about 11025.9337019592. The cubic root of 121571214 is about 495.3858352852.

The spelling of 121571214 in words is "one hundred twenty-one million, five hundred seventy-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 20261869 40523738 60785607 121571214