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1120110121 = 13611412497
BaseRepresentation
bin100001011000011…
…1000011000101001
32220001200111020001
41002300320120221
54243222010441
6303051503001
736520531114
oct10260703051
92801614201
101120110121
11525300349
12273157a61
1314b0a2270
14a8a9557b
1568509731
hex42c38629

1120110121 has 8 divisors (see below), whose sum is σ = 1226048264. Its totient is φ = 1016997120.

The previous prime is 1120110113. The next prime is 1120110137. The reversal of 1120110121 is 1210110211.

It can be written as a sum of positive squares in 4 ways, for example, as 17139600 + 1102970521 = 4140^2 + 33211^2 .

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 1120110121 - 23 = 1120110113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120110098 and 1120110107.

It is not an unprimeable number, because it can be changed into a prime (1120110151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705456 + ... + 707041.

It is an arithmetic number, because the mean of its divisors is an integer number (153256033).

Almost surely, 21120110121 is an apocalyptic number.

It is an amenable number.

1120110121 is a deficient number, since it is larger than the sum of its proper divisors (105938143).

1120110121 is a wasteful number, since it uses less digits than its factorization.

1120110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412571.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1120110121 is about 33468.0462680450. The cubic root of 1120110121 is about 1038.5328551264.

Adding to 1120110121 its reverse (1210110211), we get a palindrome (2330220332).

The spelling of 1120110121 in words is "one billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 13 61 793 1412497 18362461 86162317 1120110121