1204747001 has 2 divisors, whose sum is σ = 1204747002. Its totient is φ = 1204747000.

The previous prime is 1204746947. The next prime is 1204747021. The reversal of 1204747001 is 1007474021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1072497001 + 132250000 = 32749^2 + 11500^2 .

It is an emirp because it is prime and its reverse (1007474021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204747001 - 2⁶ = 1204746937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204747021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602373500 + 602373501.

It is an arithmetic number, because the mean of its divisors is an integer number (602373501).

Almost surely, 2^1204747001 is an apocalyptic number.

It is an amenable number.

1204747001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204747001 is an equidigital number, since it uses as much as digits as its factorization.

1204747001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 1204747001 is about 34709.4655821722. The cubic root of 1204747001 is about 1064.0579592417.

The spelling of 1204747001 in words is "one billion, two hundred four million, seven hundred forty-seven thousand, one".