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6131121 = 38922963
BaseRepresentation
bin10111011000110110110001
3102112111022120
4113120312301
53032143441
6335224453
7103053663
oct27306661
912474276
106131121
113508447
122078129
1313688a9
14b58533
15811966
hex5d8db1

6131121 has 8 divisors (see below), whose sum is σ = 8267040. Its totient is φ = 4041312.

The previous prime is 6131119. The next prime is 6131131. The reversal of 6131121 is 1211316.

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

It is not a de Polignac number, because 6131121 - 21 = 6131119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6131121.

It is not an unprimeable number, because it can be changed into a prime (6131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11215 + ... + 11748.

It is an arithmetic number, because the mean of its divisors is an integer number (1033380).

Almost surely, 26131121 is an apocalyptic number.

It is an amenable number.

6131121 is a deficient number, since it is larger than the sum of its proper divisors (2135919).

6131121 is a wasteful number, since it uses less digits than its factorization.

6131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23055.

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

The square root of 6131121 is about 2476.1100540969. The cubic root of 6131121 is about 183.0262138088.

Adding to 6131121 its reverse (1211316), we get a palindrome (7342437).

The spelling of 6131121 in words is "six million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 3 89 267 22963 68889 2043707 6131121