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1123130101 = 10729713533
BaseRepresentation
bin100001011110001…
…1001101011110101
32220021100220212011
41002330121223311
54300010130401
6303240324221
736555306532
oct10274315365
92807326764
101123130101
11526a832a5
12274173671
1314b8bba32
14a923dd89
1568904451
hex42f19af5

1123130101 has 8 divisors (see below), whose sum is σ = 1134329184. Its totient is φ = 1111944240.

The previous prime is 1123130087. The next prime is 1123130119. The reversal of 1123130101 is 1010313211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123130101 - 29 = 1123129589 is a prime.

It is a super-2 number, since 2×11231301012 = 2522842447544540402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123130501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316131 + ... + 319663.

It is an arithmetic number, because the mean of its divisors is an integer number (141791148).

Almost surely, 21123130101 is an apocalyptic number.

It is an amenable number.

1123130101 is a deficient number, since it is larger than the sum of its proper divisors (11199083).

1123130101 is a wasteful number, since it uses less digits than its factorization.

1123130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1123130101 is about 33513.1332614544. The cubic root of 1123130101 is about 1039.4653628395.

Adding to 1123130101 its reverse (1010313211), we get a palindrome (2133443312).

The spelling of 1123130101 in words is "one billion, one hundred twenty-three million, one hundred thirty thousand, one hundred one".

Divisors: 1 107 2971 3533 317897 378031 10496543 1123130101