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1240800601 is a prime number
BaseRepresentation
bin100100111110101…
…0001110101011001
310012110210012102211
41021331101311121
510020121104401
6323042355121
742514426315
oct11175216531
93173705384
101240800601
11587443947
122a765baa1
1316a0ab551
14bab10b45
1573de9951
hex49f51d59

1240800601 has 2 divisors, whose sum is σ = 1240800602. Its totient is φ = 1240800600.

The previous prime is 1240800577. The next prime is 1240800677. The reversal of 1240800601 is 1060080421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 798119001 + 442681600 = 28251^2 + 21040^2 .

It is an emirp because it is prime and its reverse (1060080421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1240800601 is a prime.

It is a super-2 number, since 2×12408006012 = 3079172262883922402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1240800101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620400300 + 620400301.

It is an arithmetic number, because the mean of its divisors is an integer number (620400301).

Almost surely, 21240800601 is an apocalyptic number.

It is an amenable number.

1240800601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240800601 is an equidigital number, since it uses as much as digits as its factorization.

1240800601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1240800601 is about 35224.9996593329. Note that the first 3 decimals coincide. The cubic root of 1240800601 is about 1074.5682350453.

The spelling of 1240800601 in words is "one billion, two hundred forty million, eight hundred thousand, six hundred one".