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10621123 is a prime number
BaseRepresentation
bin101000100001…
…000011000011
3201222121102221
4220201003003
510204333443
61015351511
7156164242
oct50410303
921877387
1010621123
115aa4897
123682597
13227b4b6
1415a6959
15debeed
hexa210c3

10621123 has 2 divisors, whose sum is σ = 10621124. Its totient is φ = 10621122.

The previous prime is 10621097. The next prime is 10621139. The reversal of 10621123 is 32112601.

It is an a-pointer prime, because the next prime (10621139) can be obtained adding 10621123 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10621123 - 29 = 10620611 is a prime.

It is a super-2 number, since 2×106211232 = 225616507562258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10621097 and 10621106.

It is not a weakly prime, because it can be changed into another prime (10621153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310561 + 5310562.

It is an arithmetic number, because the mean of its divisors is an integer number (5310562).

Almost surely, 210621123 is an apocalyptic number.

10621123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10621123 is an equidigital number, since it uses as much as digits as its factorization.

10621123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 10621123 is about 3259.0064436880. The cubic root of 10621123 is about 219.8147407335.

Adding to 10621123 its reverse (32112601), we get a palindrome (42733724).

The spelling of 10621123 in words is "ten million, six hundred twenty-one thousand, one hundred twenty-three".