1020112507 has 2 divisors, whose sum is σ = 1020112508. Its totient is φ = 1020112506.

The previous prime is 1020112481. The next prime is 1020112529. The reversal of 1020112507 is 7052110201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020112507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020112547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056253 + 510056254.

It is an arithmetic number, because the mean of its divisors is an integer number (510056254).

Almost surely, 2^1020112507 is an apocalyptic number.

1020112507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020112507 is an equidigital number, since it uses as much as digits as its factorization.

1020112507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1020112507 is about 31939.2001621831. The cubic root of 1020112507 is about 1006.6597186900.

Adding to 1020112507 its reverse (7052110201), we get a palindrome (8072222708).

The spelling of 1020112507 in words is "one billion, twenty million, one hundred twelve thousand, five hundred seven".