Search a number
-
+
121130986 = 2463130811
BaseRepresentation
bin1110011100001…
…00111111101010
322102221002110211
413032010333222
5222002142421
620004131334
73000411364
oct716047752
9272832424
10121130986
1162414559
1234696b4a
131c131952
1412131d34
15a97a9e1
hex7384fea

121130986 has 8 divisors (see below), whose sum is σ = 182090304. Its totient is φ = 60434220.

The previous prime is 121130983. The next prime is 121131011. The reversal of 121130986 is 689031121.

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

It is not an unprimeable number, because it can be changed into a prime (121130983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64480 + ... + 66331.

It is an arithmetic number, because the mean of its divisors is an integer number (22761288).

Almost surely, 2121130986 is an apocalyptic number.

121130986 is a deficient number, since it is larger than the sum of its proper divisors (60959318).

121130986 is a wasteful number, since it uses less digits than its factorization.

121130986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131276.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 121130986 is about 11005.9522986428. The cubic root of 121130986 is about 494.7871560526.

The spelling of 121130986 in words is "one hundred twenty-one million, one hundred thirty thousand, nine hundred eighty-six".

Divisors: 1 2 463 926 130811 261622 60565493 121130986