Search a number
-
+
121120930 = 2571730299
BaseRepresentation
bin1110011100000…
…10100010100010
322102220120200101
413032002202202
5222001332210
620004013014
73000340150
oct716024242
9272816611
10121120930
1162407a47
123469116a
131c12a1b8
141212c3d0
15a977a3a
hex73828a2

121120930 has 16 divisors (see below), whose sum is σ = 249163200. Its totient is φ = 41527152.

The previous prime is 121120873. The next prime is 121120949. The reversal of 121120930 is 39021121.

It is a junction number, because it is equal to n+sod(n) for n = 121120898 and 121120907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865080 + ... + 865219.

It is an arithmetic number, because the mean of its divisors is an integer number (15572700).

Almost surely, 2121120930 is an apocalyptic number.

121120930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121120930 is an abundant number, since it is smaller than the sum of its proper divisors (128042270).

121120930 is a wasteful number, since it uses less digits than its factorization.

121120930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730313.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 121120930 is about 11005.4954454581. The cubic root of 121120930 is about 494.7734636647.

The spelling of 121120930 in words is "one hundred twenty-one million, one hundred twenty thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1730299 3460598 8651495 12112093 17302990 24224186 60560465 121120930