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124104 = 2335171
BaseRepresentation
bin11110010011001000
320022020110
4132103020
512432404
62354320
71024551
oct362310
9208213
10124104
1185272
125b9a0
1344646
1433328
1526b89
hex1e4c8

124104 has 16 divisors (see below), whose sum is σ = 310320. Its totient is φ = 41360.

The previous prime is 124097. The next prime is 124121. The reversal of 124104 is 401421.

Adding to 124104 its reverse (401421), we get a palindrome (525525).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 124104.

It is an unprimeable number.

124104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (19395).

2124104 is an apocalyptic number.

It is an amenable number.

124104 is an abundant number, since it is smaller than the sum of its proper divisors (186216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124104 is a wasteful number, since it uses less digits than its factorization.

124104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180 (or 5176 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 124104 is about 352.2839763600. The cubic root of 124104 is about 49.8802467455.

The spelling of 124104 in words is "one hundred twenty-four thousand, one hundred four", and thus it is an iban number.