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12401123 = 76532713
BaseRepresentation
bin101111010011…
…100111100011
3212100001010212
4233103213203
511133313443
61121444335
7210256610
oct57234743
925301125
1012401123
117000169
1241a06ab
132752757
14190b507
15114e618
hexbd39e3

12401123 has 8 divisors (see below), whose sum is σ = 14199648. Its totient is φ = 10609344.

The previous prime is 12401111. The next prime is 12401141. The reversal of 12401123 is 32110421.

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 12401123 - 24 = 12401107 is a prime.

It is a super-2 number, since 2×124011232 = 307575703322258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12401098 and 12401107.

It is not an unprimeable number, because it can be changed into a prime (12401153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215 + ... + 5927.

It is an arithmetic number, because the mean of its divisors is an integer number (1774956).

Almost surely, 212401123 is an apocalyptic number.

12401123 is a deficient number, since it is larger than the sum of its proper divisors (1798525).

12401123 is an equidigital number, since it uses as much as digits as its factorization.

12401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12401123 is about 3521.5228240067. The cubic root of 12401123 is about 231.4658925629.

Adding to 12401123 its reverse (32110421), we get a palindrome (44511544).

The spelling of 12401123 in words is "twelve million, four hundred one thousand, one hundred twenty-three".

Divisors: 1 7 653 2713 4571 18991 1771589 12401123