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122081501 is a prime number
BaseRepresentation
bin1110100011011…
…01000011011101
322111201101100002
413101231003131
5222223102001
620040344045
73011450513
oct721550335
9274641302
10122081501
1162a03703
1234a75025
131c3a5499
14122dc4b3
15aab746b
hex746d0dd

122081501 has 2 divisors, whose sum is σ = 122081502. Its totient is φ = 122081500.

The previous prime is 122081489. The next prime is 122081507. The reversal of 122081501 is 105180221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111809476 + 10272025 = 10574^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 122081501 - 226 = 54972637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122081507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61040750 + 61040751.

It is an arithmetic number, because the mean of its divisors is an integer number (61040751).

Almost surely, 2122081501 is an apocalyptic number.

It is an amenable number.

122081501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122081501 is an equidigital number, since it uses as much as digits as its factorization.

122081501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 122081501 is about 11049.0497781483. The cubic root of 122081501 is about 496.0779840203.

The spelling of 122081501 in words is "one hundred twenty-two million, eighty-one thousand, five hundred one".