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124057105 = 561740213
BaseRepresentation
bin1110110010011…
…11011000010001
322122102202100121
413121033120101
5223224311410
620150550241
73034316344
oct731173021
9278382317
10124057105
1164032a37
1235668381
131c917793
141269445b
15ad579da
hex764f611

124057105 has 8 divisors (see below), whose sum is σ = 149113512. Its totient is φ = 99082368.

The previous prime is 124057091. The next prime is 124057121. The reversal of 124057105 is 501750421.

It can be written as a sum of positive squares in 4 ways, for example, as 24336 + 124032769 = 156^2 + 11137^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 124057105 - 215 = 124024337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124057105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17022 + ... + 23191.

It is an arithmetic number, because the mean of its divisors is an integer number (18639189).

Almost surely, 2124057105 is an apocalyptic number.

It is an amenable number.

124057105 is a deficient number, since it is larger than the sum of its proper divisors (25056407).

124057105 is an equidigital number, since it uses as much as digits as its factorization.

124057105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40835.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 124057105 is about 11138.0925207147. The cubic root of 124057105 is about 498.7396322826.

The spelling of 124057105 in words is "one hundred twenty-four million, fifty-seven thousand, one hundred five".

Divisors: 1 5 617 3085 40213 201065 24811421 124057105