1872051241 has 2 divisors, whose sum is σ = 1872051242. Its totient is φ = 1872051240.

The previous prime is 1872051227. The next prime is 1872051253. The reversal of 1872051241 is 1421502781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199167641 + 672883600 = 34629^2 + 25940^2 .

It is an emirp because it is prime and its reverse (1421502781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1872051241 - 2⁷ = 1872051113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1872051211) 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, 936025620 + 936025621.

It is an arithmetic number, because the mean of its divisors is an integer number (936025621).

Almost surely, 2^1872051241 is an apocalyptic number.

It is an amenable number.

1872051241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1872051241 is an equidigital number, since it uses as much as digits as its factorization.

1872051241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1872051241 is about 43267.2074555315. The cubic root of 1872051241 is about 1232.4592744382.

The spelling of 1872051241 in words is "one billion, eight hundred seventy-two million, fifty-one thousand, two hundred forty-one".