Search a number
-
+
122000971 is a prime number
BaseRepresentation
bin1110100010110…
…01011001001011
322111120021212111
413101121121023
5222213012341
620034523151
73010663651
oct721313113
9274507774
10122000971
1162959154
1234a364b7
131c377931
14122badd1
15aa9d681
hex745964b

122000971 has 2 divisors, whose sum is σ = 122000972. Its totient is φ = 122000970.

The previous prime is 122000917. The next prime is 122000981. The reversal of 122000971 is 179000221.

Together with previous prime (122000917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (179000221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122000971 - 213 = 121992779 is a prime.

It is not a weakly prime, because it can be changed into another prime (122000981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000485 + 61000486.

It is an arithmetic number, because the mean of its divisors is an integer number (61000486).

Almost surely, 2122000971 is an apocalyptic number.

122000971 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000971 is an equidigital number, since it uses as much as digits as its factorization.

122000971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 122000971 is about 11045.4049722045. The cubic root of 122000971 is about 495.9688821854.

The spelling of 122000971 in words is "one hundred twenty-two million, nine hundred seventy-one", and thus it is an aban number.