Search a number
-
+
125000001101071 is a prime number
BaseRepresentation
bin11100011010111111010100…
…101010011001110100001111
3121101120212211222222002202001
4130122333110222121310033
5112341000000240213241
61121504112513013131
735220644361253405
oct3432772452316417
9541525758862661
10125000001101071
1136913225972a48
1212029a075541a7
1354995ac7b8155
1422c2064a21475
15e6b80bee3431
hex71afd4a99d0f

125000001101071 has 2 divisors, whose sum is σ = 125000001101072. Its totient is φ = 125000001101070.

The previous prime is 125000001101021. The next prime is 125000001101231. The reversal of 125000001101071 is 170101100000521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125000001101071 - 225 = 124999967546639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125000001101021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62500000550535 + 62500000550536.

It is an arithmetic number, because the mean of its divisors is an integer number (62500000550536).

Almost surely, 2125000001101071 is an apocalyptic number.

125000001101071 is a deficient number, since it is larger than the sum of its proper divisors (1).

125000001101071 is an equidigital number, since it uses as much as digits as its factorization.

125000001101071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 19.

Adding to 125000001101071 its reverse (170101100000521), we get a palindrome (295101101101592).

The spelling of 125000001101071 in words is "one hundred twenty-five trillion, one million, one hundred one thousand, seventy-one".