3240120437 has 2 divisors, whose sum is σ = 3240120438. Its totient is φ = 3240120436.

The previous prime is 3240120427. The next prime is 3240120463. The reversal of 3240120437 is 7340210423.

It is an a-pointer prime, because the next prime (3240120463) can be obtained adding 3240120437 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2527977841 + 712142596 = 50279^2 + 26686^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240120437 - 2⁸ = 3240120181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240120427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620060218 + 1620060219.

It is an arithmetic number, because the mean of its divisors is an integer number (1620060219).

Almost surely, 2^3240120437 is an apocalyptic number.

It is an amenable number.

3240120437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240120437 is an equidigital number, since it uses as much as digits as its factorization.

3240120437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3240120437 is about 56922.0558044068. The cubic root of 3240120437 is about 1479.7455791355.

The spelling of 3240120437 in words is "three billion, two hundred forty million, one hundred twenty thousand, four hundred thirty-seven".