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1230541297 is a prime number
BaseRepresentation
bin100100101011000…
…1001000111110001
310011202110222022121
41021112021013301
510010004310142
6322034434241
742331266646
oct11126110761
93152428277
101230541297
11581676987
122a4132981
13167c2895b
14b95dddcd
157306ec67
hex495891f1

1230541297 has 2 divisors, whose sum is σ = 1230541298. Its totient is φ = 1230541296.

The previous prime is 1230541271. The next prime is 1230541303. The reversal of 1230541297 is 7921450321.

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., 939361201 + 291180096 = 30649^2 + 17064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230541297 - 223 = 1222152689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230541267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615270648 + 615270649.

It is an arithmetic number, because the mean of its divisors is an integer number (615270649).

Almost surely, 21230541297 is an apocalyptic number.

It is an amenable number.

1230541297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230541297 is an equidigital number, since it uses as much as digits as its factorization.

1230541297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1230541297 is about 35079.0720658344. The cubic root of 1230541297 is about 1071.5984195251.

The spelling of 1230541297 in words is "one billion, two hundred thirty million, five hundred forty-one thousand, two hundred ninety-seven".