1258562960 has 20 divisors (see below), whose sum is σ = 2926159068. Its totient is φ = 503425152.

The previous prime is 1258562959. The next prime is 1258563011. The reversal of 1258562960 is 692658521.

It can be written as a sum of positive squares in 2 ways, for example, as 457446544 + 801116416 = 21388^2 + 28304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7865939 + ... + 7866098.

Almost surely, 2^1258562960 is an apocalyptic number.

1258562960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1258562960 is an abundant number, since it is smaller than the sum of its proper divisors (1667596108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1258562960 is a wasteful number, since it uses less digits than its factorization.

1258562960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15732050 (or 15732044 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 1258562960 is about 35476.2309159245. The cubic root of 1258562960 is about 1079.6715279090.

The spelling of 1258562960 in words is "one billion, two hundred fifty-eight million, five hundred sixty-two thousand, nine hundred sixty".