1012405487 has 2 divisors, whose sum is σ = 1012405488. Its totient is φ = 1012405486.

The previous prime is 1012405469. The next prime is 1012405529. The reversal of 1012405487 is 7845042101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012405487 - 2⁶ = 1012405423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012405687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506202743 + 506202744.

It is an arithmetic number, because the mean of its divisors is an integer number (506202744).

Almost surely, 2^1012405487 is an apocalyptic number.

1012405487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012405487 is an equidigital number, since it uses as much as digits as its factorization.

1012405487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1012405487 is about 31818.3199902195. The cubic root of 1012405487 is about 1004.1181796491.

Adding to 1012405487 its reverse (7845042101), we get a palindrome (8857447588).

The spelling of 1012405487 in words is "one billion, twelve million, four hundred five thousand, four hundred eighty-seven".