1012249393 has 2 divisors, whose sum is σ = 1012249394. Its totient is φ = 1012249392.

The previous prime is 1012249373. The next prime is 1012249423. The reversal of 1012249393 is 3939422101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636199729 + 376049664 = 25223^2 + 19392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012249393 - 2⁵ = 1012249361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012249313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506124696 + 506124697.

It is an arithmetic number, because the mean of its divisors is an integer number (506124697).

Almost surely, 2^1012249393 is an apocalyptic number.

It is an amenable number.

1012249393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012249393 is an equidigital number, since it uses as much as digits as its factorization.

1012249393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1012249393 is about 31815.8670006021. The cubic root of 1012249393 is about 1004.0665715793.

The spelling of 1012249393 in words is "one billion, twelve million, two hundred forty-nine thousand, three hundred ninety-three".