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102276901 is a prime number
BaseRepresentation
bin1100001100010…
…01111100100101
321010110012112101
412012021330211
5202140330101
614052052101
72351224246
oct606117445
9233405471
10102276901
1152807171
122a304031
131825cc9c
14d824ccd
158ea4401
hex6189f25

102276901 has 2 divisors, whose sum is σ = 102276902. Its totient is φ = 102276900.

The previous prime is 102276899. The next prime is 102276959. The reversal of 102276901 is 109672201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56700900 + 45576001 = 7530^2 + 6751^2 .

It is an emirp because it is prime and its reverse (109672201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102276901 - 21 = 102276899 is a prime.

Together with 102276899, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102276901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102276961) 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, 51138450 + 51138451.

It is an arithmetic number, because the mean of its divisors is an integer number (51138451).

Almost surely, 2102276901 is an apocalyptic number.

It is an amenable number.

102276901 is a deficient number, since it is larger than the sum of its proper divisors (1).

102276901 is an equidigital number, since it uses as much as digits as its factorization.

102276901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 102276901 is about 10113.2042894426. The cubic root of 102276901 is about 467.6552922859.

The spelling of 102276901 in words is "one hundred two million, two hundred seventy-six thousand, nine hundred one".