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4120131 = 31941243
BaseRepresentation
bin1111101101111001000011
321202022202110
433231321003
52023321011
6224150403
750010021
oct17557103
97668673
104120131
112364574
121468403
13b13462
14793711
15565ba6
hex3ede43

4120131 has 24 divisors (see below), whose sum is σ = 6064960. Its totient is φ = 2479680.

The previous prime is 4120111. The next prime is 4120133. The reversal of 4120131 is 1310214.

It is a happy number.

It is not a de Polignac number, because 4120131 - 27 = 4120003 is a prime.

It is a super-2 number, since 2×41201312 = 33950958914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95796 + ... + 95838.

Almost surely, 24120131 is an apocalyptic number.

4120131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4120131 is a deficient number, since it is larger than the sum of its proper divisors (1944829).

4120131 is a wasteful number, since it uses less digits than its factorization.

4120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 106 counting only the distinct ones).

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

The square root of 4120131 is about 2029.8105822958. The cubic root of 4120131 is about 160.3135907081.

Adding to 4120131 its reverse (1310214), we get a palindrome (5430345).

The spelling of 4120131 in words is "four million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 19 41 43 57 123 129 779 817 1681 1763 2337 2451 5043 5289 31939 33497 72283 95817 100491 216849 1373377 4120131