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1230144401 is a prime number
BaseRepresentation
bin100100101010010…
…1000001110010001
310011201201210212202
41021110220032101
510004404110101
6322022132545
742325024553
oct11124501621
93151653782
101230144401
11581425772
122a3b81155
13167b1a0c5
14b95394d3
1572ee236b
hex49528391

1230144401 has 2 divisors, whose sum is σ = 1230144402. Its totient is φ = 1230144400.

The previous prime is 1230144373. The next prime is 1230144407. The reversal of 1230144401 is 1044410321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701190400 + 528954001 = 26480^2 + 22999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230144401 - 214 = 1230128017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230144407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615072200 + 615072201.

It is an arithmetic number, because the mean of its divisors is an integer number (615072201).

Almost surely, 21230144401 is an apocalyptic number.

It is an amenable number.

1230144401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230144401 is an equidigital number, since it uses as much as digits as its factorization.

1230144401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1230144401 is about 35073.4144474130. The cubic root of 1230144401 is about 1071.4831968281.

Adding to 1230144401 its reverse (1044410321), we get a palindrome (2274554722).

The spelling of 1230144401 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, four hundred one".