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124101001 is a prime number
BaseRepresentation
bin1110110010110…
…10000110001001
322122111222120101
413121122012021
5223232213001
620151525401
73034561333
oct731320611
9278458511
10124101001
1164062a12
1235689861
131c93175b
14126a6453
15ad65a01
hex765a189

124101001 has 2 divisors, whose sum is σ = 124101002. Its totient is φ = 124101000.

The previous prime is 124100987. The next prime is 124101059. The reversal of 124101001 is 100101421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94070601 + 30030400 = 9699^2 + 5480^2 .

It is a cyclic number.

It is not a de Polignac number, because 124101001 - 29 = 124100489 is a prime.

It is not a weakly prime, because it can be changed into another prime (124131001) 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, 62050500 + 62050501.

It is an arithmetic number, because the mean of its divisors is an integer number (62050501).

Almost surely, 2124101001 is an apocalyptic number.

It is an amenable number.

124101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

124101001 is an equidigital number, since it uses as much as digits as its factorization.

124101001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 124101001 is about 11140.0628813306. The cubic root of 124101001 is about 498.7984495326.

Adding to 124101001 its reverse (100101421), we get a palindrome (224202422).

The spelling of 124101001 in words is "one hundred twenty-four million, one hundred one thousand, one".