1258890484 has 12 divisors (see below), whose sum is σ = 2203408900. Its totient is φ = 629345088.

The previous prime is 1258890469. The next prime is 1258890491. The reversal of 1258890484 is 4840988521.

It can be written as a sum of positive squares in 2 ways, for example, as 769507600 + 489382884 = 27740^2 + 22122^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8122 + ... + 50830.

Almost surely, 2^1258890484 is an apocalyptic number.

It is an amenable number.

1258890484 is a deficient number, since it is larger than the sum of its proper divisors (944518416).

1258890484 is a wasteful number, since it uses less digits than its factorization.

1258890484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50082 (or 50080 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 1258890484 is about 35480.8467204490. The cubic root of 1258890484 is about 1079.7651764268.

The spelling of 1258890484 in words is "one billion, two hundred fifty-eight million, eight hundred ninety thousand, four hundred eighty-four".