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1230451241 is a prime number
BaseRepresentation
bin100100101010111…
…0011001000101001
310011202022101210012
41021111303020221
510004443414431
6322032501305
742330443255
oct11125631051
93152271705
101230451241
11581615258
122a40aa835
13167bc6976
14b95b9265
157305322b
hex49573229

1230451241 has 2 divisors, whose sum is σ = 1230451242. Its totient is φ = 1230451240.

The previous prime is 1230451231. The next prime is 1230451247. The reversal of 1230451241 is 1421540321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 955057216 + 275394025 = 30904^2 + 16595^2 .

It is an emirp because it is prime and its reverse (1421540321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1230451241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230451247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615225620 + 615225621.

It is an arithmetic number, because the mean of its divisors is an integer number (615225621).

Almost surely, 21230451241 is an apocalyptic number.

It is an amenable number.

1230451241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230451241 is an equidigital number, since it uses as much as digits as its factorization.

1230451241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1230451241 is about 35077.7884280067. The cubic root of 1230451241 is about 1071.5722775820.

Adding to 1230451241 its reverse (1421540321), we get a palindrome (2651991562).

The spelling of 1230451241 in words is "one billion, two hundred thirty million, four hundred fifty-one thousand, two hundred forty-one".