1930120937 has 2 divisors, whose sum is σ = 1930120938. Its totient is φ = 1930120936.

The previous prime is 1930120903. The next prime is 1930120943. The reversal of 1930120937 is 7390210391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1874110681 + 56010256 = 43291^2 + 7484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1930120937 - 2¹⁶ = 1930055401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1930120897 and 1930120906.

It is not a weakly prime, because it can be changed into another prime (1930120957) 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, 965060468 + 965060469.

It is an arithmetic number, because the mean of its divisors is an integer number (965060469).

Almost surely, 2^1930120937 is an apocalyptic number.

It is an amenable number.

1930120937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930120937 is an equidigital number, since it uses as much as digits as its factorization.

1930120937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1930120937 is about 43933.1416700422. The cubic root of 1930120937 is about 1245.0730723819.

The spelling of 1930120937 in words is "one billion, nine hundred thirty million, one hundred twenty thousand, nine hundred thirty-seven".