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1201030122 = 231936431613
BaseRepresentation
bin100011110010110…
…0100001111101010
310002200221122121010
41013211210033222
54424430430442
6315102124350
741522405355
oct10745441752
93080848533
101201030122
11566a4a786
122962806b6
13161a95316
14b571b29c
1570690b9c
hex479643ea

1201030122 has 32 divisors (see below), whose sum is σ = 2419760448. Its totient is φ = 397403136.

The previous prime is 1201030121. The next prime is 1201030153. The reversal of 1201030122 is 2210301021.

It is a junction number, because it is equal to n+sod(n) for n = 1201030098 and 1201030107.

It is not an unprimeable number, because it can be changed into a prime (1201030121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743788 + ... + 745400.

It is an arithmetic number, because the mean of its divisors is an integer number (75617514).

Almost surely, 21201030122 is an apocalyptic number.

1201030122 is an abundant number, since it is smaller than the sum of its proper divisors (1218730326).

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

1201030122 is a wasteful number, since it uses less digits than its factorization.

1201030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1201030122 is about 34655.8814921796. The cubic root of 1201030122 is about 1062.9625566510.

Adding to 1201030122 its reverse (2210301021), we get a palindrome (3411331143).

The spelling of 1201030122 in words is "one billion, two hundred one million, thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 193 386 579 643 1158 1286 1613 1929 3226 3858 4839 9678 124099 248198 311309 372297 622618 744594 933927 1037159 1867854 2074318 3111477 6222954 200171687 400343374 600515061 1201030122