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10120997 is a prime number
BaseRepresentation
bin100110100110…
…111100100101
3201001012101202
4212212330211
510042332442
61000532245
7152012165
oct46467445
921035352
1010120997
115793067
123481085
132134973
1414b65a5
15d4dc32
hex9a6f25

10120997 has 2 divisors, whose sum is σ = 10120998. Its totient is φ = 10120996.

The previous prime is 10120993. The next prime is 10121003. The reversal of 10120997 is 79902101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 3407716 = 2591^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120997 - 22 = 10120993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060498 + 5060499.

It is an arithmetic number, because the mean of its divisors is an integer number (5060499).

Almost surely, 210120997 is an apocalyptic number.

It is an amenable number.

10120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120997 is an equidigital number, since it uses as much as digits as its factorization.

10120997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 10120997 is about 3181.3514423905. The cubic root of 10120997 is about 216.3089215410.

The spelling of 10120997 in words is "ten million, one hundred twenty thousand, nine hundred ninety-seven".