1205452487 has 2 divisors, whose sum is σ = 1205452488. Its totient is φ = 1205452486.

The previous prime is 1205452481. The next prime is 1205452499. The reversal of 1205452487 is 7842545021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1205452487 - 2¹⁴ = 1205436103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1205452487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205452481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602726243 + 602726244.

It is an arithmetic number, because the mean of its divisors is an integer number (602726244).

Almost surely, 2^1205452487 is an apocalyptic number.

1205452487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205452487 is an equidigital number, since it uses as much as digits as its factorization.

1205452487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 1205452487 is about 34719.6268269116. The cubic root of 1205452487 is about 1064.2656187505.

The spelling of 1205452487 in words is "one billion, two hundred five million, four hundred fifty-two thousand, four hundred eighty-seven".