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10372121 is a prime number
BaseRepresentation
bin100111100100…
…010000011001
3201111221212122
4213210100121
510123401441
61010151025
7154106264
oct47442031
921457778
1010372121
115944801
123582475
1321c2066
14153dcdb
15d9d34b
hex9e4419

10372121 has 2 divisors, whose sum is σ = 10372122. Its totient is φ = 10372120.

The previous prime is 10372067. The next prime is 10372129. The reversal of 10372121 is 12127301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 3721 = 3220^2 + 61^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10372121 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10372121.

It is not a weakly prime, because it can be changed into another prime (10372129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5186060 + 5186061.

It is an arithmetic number, because the mean of its divisors is an integer number (5186061).

Almost surely, 210372121 is an apocalyptic number.

It is an amenable number.

10372121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10372121 is an equidigital number, since it uses as much as digits as its factorization.

10372121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 10372121 is about 3220.5777432007. The cubic root of 10372121 is about 218.0833575675.

Adding to 10372121 its reverse (12127301), we get a palindrome (22499422).

The spelling of 10372121 in words is "ten million, three hundred seventy-two thousand, one hundred twenty-one".