1012375289 has 2 divisors, whose sum is σ = 1012375290. Its totient is φ = 1012375288.

The previous prime is 1012375237. The next prime is 1012375307. The reversal of 1012375289 is 9825732101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940464889 + 71910400 = 30667^2 + 8480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012375289 - 2²⁰ = 1011326713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1012375219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506187644 + 506187645.

It is an arithmetic number, because the mean of its divisors is an integer number (506187645).

Almost surely, 2^1012375289 is an apocalyptic number.

It is an amenable number.

1012375289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012375289 is an equidigital number, since it uses as much as digits as its factorization.

1012375289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1012375289 is about 31817.8454487415. The cubic root of 1012375289 is about 1004.1081959477.

The spelling of 1012375289 in words is "one billion, twelve million, three hundred seventy-five thousand, two hundred eighty-nine".