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121502415241 is a prime number
BaseRepresentation
bin111000100101000011…
…0111011100110001001
3102121121201020012202101
41301022012323212021
53442314104241431
6131452322233401
711530641326524
oct1611206734611
9377551205671
10121502415241
114758aa44a09
121b66aab5861
13b5c4543a7c
145c48ab7bbb
153261d2a961
hex1c4a1bb989

121502415241 has 2 divisors, whose sum is σ = 121502415242. Its totient is φ = 121502415240.

The previous prime is 121502415193. The next prime is 121502415277. The reversal of 121502415241 is 142514205121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117511840000 + 3990575241 = 342800^2 + 63171^2 .

It is a cyclic number.

It is not a de Polignac number, because 121502415241 - 213 = 121502407049 is a prime.

It is not a weakly prime, because it can be changed into another prime (121502415841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60751207620 + 60751207621.

It is an arithmetic number, because the mean of its divisors is an integer number (60751207621).

Almost surely, 2121502415241 is an apocalyptic number.

It is an amenable number.

121502415241 is a deficient number, since it is larger than the sum of its proper divisors (1).

121502415241 is an equidigital number, since it uses as much as digits as its factorization.

121502415241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 121502415241 in words is "one hundred twenty-one billion, five hundred two million, four hundred fifteen thousand, two hundred forty-one".