1023252787 has 2 divisors, whose sum is σ = 1023252788. Its totient is φ = 1023252786.

The previous prime is 1023252767. The next prime is 1023252851. The reversal of 1023252787 is 7872523201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023252787 is a prime.

It is a super-2 number, since 2×1023252787² = 2094092532206534738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1023252767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511626393 + 511626394.

It is an arithmetic number, because the mean of its divisors is an integer number (511626394).

Almost surely, 2^1023252787 is an apocalyptic number.

1023252787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023252787 is an equidigital number, since it uses as much as digits as its factorization.

1023252787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 1023252787 is about 31988.3226662481. The cubic root of 1023252787 is about 1007.6916163567.

Adding to 1023252787 its reverse (7872523201), we get a palindrome (8895775988).

The spelling of 1023252787 in words is "one billion, twenty-three million, two hundred fifty-two thousand, seven hundred eighty-seven".