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130113121 = 17193311217
BaseRepresentation
bin1111100000101…
…01111001100001
3100001211102122111
413300111321201
5231302104441
620524435321
73136641355
oct760257141
9301742574
10130113121
1167499a06
12376a8b41
1320c58118
14133cd465
15b652081
hex7c15e61

130113121 has 16 divisors (see below), whose sum is σ = 145575360. Its totient is φ = 115568640.

The previous prime is 130113103. The next prime is 130113163. The reversal of 130113121 is 121311031.

It is not a de Polignac number, because 130113121 - 25 = 130113089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130114121) 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, 106305 + ... + 107521.

It is an arithmetic number, because the mean of its divisors is an integer number (9098460).

Almost surely, 2130113121 is an apocalyptic number.

It is an amenable number.

130113121 is a deficient number, since it is larger than the sum of its proper divisors (15462239).

130113121 is a wasteful number, since it uses less digits than its factorization.

130113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

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

The square root of 130113121 is about 11406.7138563216. The cubic root of 130113121 is about 506.7265947024.

Adding to 130113121 its reverse (121311031), we get a palindrome (251424152).

The spelling of 130113121 in words is "one hundred thirty million, one hundred thirteen thousand, one hundred twenty-one".