1012105487 has 2 divisors, whose sum is σ = 1012105488. Its totient is φ = 1012105486.

The previous prime is 1012105463. The next prime is 1012105517. The reversal of 1012105487 is 7845012101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012105487 - 2²⁶ = 944996623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012105687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506052743 + 506052744.

It is an arithmetic number, because the mean of its divisors is an integer number (506052744).

Almost surely, 2^1012105487 is an apocalyptic number.

1012105487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012105487 is an equidigital number, since it uses as much as digits as its factorization.

1012105487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 1012105487 is about 31813.6053756879. The cubic root of 1012105487 is about 1004.0189884268.

Adding to 1012105487 its reverse (7845012101), we get a palindrome (8857117588).

The spelling of 1012105487 in words is "one billion, twelve million, one hundred five thousand, four hundred eighty-seven".