1020263747 has 2 divisors, whose sum is σ = 1020263748. Its totient is φ = 1020263746.

The previous prime is 1020263731. The next prime is 1020263791. The reversal of 1020263747 is 7473620201.

It is a weak prime.

It is an emirp because it is prime and its reverse (7473620201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020263747 - 2⁴ = 1020263731 is a prime.

It is a super-2 number, since 2×1020263747² = 2081876226884960018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020263947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510131873 + 510131874.

It is an arithmetic number, because the mean of its divisors is an integer number (510131874).

Almost surely, 2^1020263747 is an apocalyptic number.

1020263747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020263747 is an equidigital number, since it uses as much as digits as its factorization.

1020263747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1020263747 is about 31941.5676979074. The cubic root of 1020263747 is about 1006.7094647365.

Adding to 1020263747 its reverse (7473620201), we get a palindrome (8493883948).

The spelling of 1020263747 in words is "one billion, twenty million, two hundred sixty-three thousand, seven hundred forty-seven".