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124213201 = 779224617
BaseRepresentation
bin1110110011101…
…01011111010001
322122201200110221
413121311133101
5223244310301
620154153041
73035536420
oct731653721
9278650427
10124213201
116412a242
1235722781
131c970848
14126d52b7
15ad88da1
hex76757d1

124213201 has 8 divisors (see below), whose sum is σ = 143755520. Its totient is φ = 105120288.

The previous prime is 124213189. The next prime is 124213207. The reversal of 124213201 is 102312421.

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

It is not a de Polignac number, because 124213201 - 27 = 124213073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124213207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111756 + ... + 112861.

It is an arithmetic number, because the mean of its divisors is an integer number (17969440).

Almost surely, 2124213201 is an apocalyptic number.

It is an amenable number.

124213201 is a deficient number, since it is larger than the sum of its proper divisors (19542319).

124213201 is an equidigital number, since it uses as much as digits as its factorization.

124213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224703.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124213201 is about 11145.0976218246. The cubic root of 124213201 is about 498.9487258612.

Adding to 124213201 its reverse (102312421), we get a palindrome (226525622).

The spelling of 124213201 in words is "one hundred twenty-four million, two hundred thirteen thousand, two hundred one".

Divisors: 1 7 79 553 224617 1572319 17744743 124213201