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120160131 = 37131721523
BaseRepresentation
bin1110010100101…
…11111110000011
322101002202201020
413022113332003
5221230111011
615531240523
72656226040
oct712277603
9271082636
10120160131
11619110a3
12342a9143
131bb81a90
1411d5c1c7
15a838006
hex7297f83

120160131 has 48 divisors (see below), whose sum is σ = 209604864. Its totient is φ = 59613696.

The previous prime is 120160129. The next prime is 120160147. The reversal of 120160131 is 131061021.

It is not a de Polignac number, because 120160131 - 21 = 120160129 is a prime.

It is a super-2 number, since 2×1201601312 = 28876914163874322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120160131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120160121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78136 + ... + 79658.

It is an arithmetic number, because the mean of its divisors is an integer number (4366768).

Almost surely, 2120160131 is an apocalyptic number.

120160131 is a deficient number, since it is larger than the sum of its proper divisors (89444733).

120160131 is a wasteful number, since it uses less digits than its factorization.

120160131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 120160131 is about 10961.7576601565. The cubic root of 120160131 is about 493.4617156847.

The spelling of 120160131 in words is "one hundred twenty million, one hundred sixty thousand, one hundred thirty-one".

Divisors: 1 3 7 13 17 21 39 51 91 119 221 273 289 357 663 867 1523 1547 2023 3757 4569 4641 6069 10661 11271 19799 25891 26299 31983 59397 77673 78897 138593 181237 336583 415779 440147 543711 1009749 1320441 2356081 3081029 5721911 7068243 9243087 17165733 40053377 120160131