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121030353 = 3228147857
BaseRepresentation
bin1110011011011…
…00011011010001
322102201222102200
413031230123101
5221440432403
620002033413
72666512113
oct715543321
9272658380
10121030353
1162355994
1234648869
131c0c7bc2
14121073b3
15a95aca3
hex736c6d1

121030353 has 12 divisors (see below), whose sum is σ = 175447428. Its totient is φ = 80398080.

The previous prime is 121030339. The next prime is 121030381. The reversal of 121030353 is 353030121.

It can be written as a sum of positive squares in 2 ways, for example, as 74080449 + 46949904 = 8607^2 + 6852^2 .

It is not a de Polignac number, because 121030353 - 26 = 121030289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121030333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21400 + ... + 26457.

It is an arithmetic number, because the mean of its divisors is an integer number (14620619).

Almost surely, 2121030353 is an apocalyptic number.

It is an amenable number.

121030353 is a deficient number, since it is larger than the sum of its proper divisors (54417075).

121030353 is a wasteful number, since it uses less digits than its factorization.

121030353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48144 (or 48141 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 121030353 is about 11001.3795953053. The cubic root of 121030353 is about 494.6500986060.

Adding to 121030353 its reverse (353030121), we get a palindrome (474060474).

The spelling of 121030353 in words is "one hundred twenty-one million, thirty thousand, three hundred fifty-three".

Divisors: 1 3 9 281 843 2529 47857 143571 430713 13447817 40343451 121030353