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12124119 = 372671231
BaseRepresentation
bin101110001111…
…111111010111
3211210222011110
4232033333113
511100432434
61111510103
7205024200
oct56177727
924728143
1012124119
116931037
124088333
132686647
1418785a7
1510e74e9
hexb8ffd7

12124119 has 24 divisors (see below), whose sum is σ = 19100928. Its totient is φ = 6819120.

The previous prime is 12124097. The next prime is 12124129. The reversal of 12124119 is 91142121.

It is a happy number.

It is not a de Polignac number, because 12124119 - 29 = 12123607 is a prime.

It is a super-2 number, since 2×121241192 = 293988523052322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12124095 and 12124104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124129) 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, 9234 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (795872).

Almost surely, 212124119 is an apocalyptic number.

12124119 is a deficient number, since it is larger than the sum of its proper divisors (6976809).

12124119 is a wasteful number, since it uses less digits than its factorization.

12124119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1308 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 12124119 is about 3481.9705627705. The cubic root of 12124119 is about 229.7294803086.

The spelling of 12124119 in words is "twelve million, one hundred twenty-four thousand, one hundred nineteen".

Divisors: 1 3 7 21 49 67 147 201 469 1231 1407 3283 3693 8617 9849 25851 60319 82477 180957 247431 577339 1732017 4041373 12124119