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126375139001 is a prime number
BaseRepresentation
bin111010110110010001…
…0111001011010111001
3110002012022010020010202
41311230202321122321
54032304013422001
6134020025451545
712062456646326
oct1655442713271
9402168106122
10126375139001
1149660520441
12205aa940bb5
13bbbcbcb877
14618bcc7b4d
1534499e096b
hex1d6c8b96b9

126375139001 has 2 divisors, whose sum is σ = 126375139002. Its totient is φ = 126375139000.

The previous prime is 126375138979. The next prime is 126375139039. The reversal of 126375139001 is 100931573621.

It is an a-pointer prime, because the next prime (126375139039) can be obtained adding 126375139001 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116663233600 + 9711905401 = 341560^2 + 98549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126375139001 is a prime.

It is not a weakly prime, because it can be changed into another prime (126375139091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63187569500 + 63187569501.

It is an arithmetic number, because the mean of its divisors is an integer number (63187569501).

Almost surely, 2126375139001 is an apocalyptic number.

It is an amenable number.

126375139001 is a deficient number, since it is larger than the sum of its proper divisors (1).

126375139001 is an equidigital number, since it uses as much as digits as its factorization.

126375139001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 126375139001 in words is "one hundred twenty-six billion, three hundred seventy-five million, one hundred thirty-nine thousand, one".