1258525880 has 16 divisors (see below), whose sum is σ = 2831683320. Its totient is φ = 503410336.

The previous prime is 1258525867. The next prime is 1258525889. The reversal of 1258525880 is 885258521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258525889) by changing a digit.

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, 15731534 + ... + 15731613.

Almost surely, 2^1258525880 is an apocalyptic number.

1258525880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1258525880 is an abundant number, since it is smaller than the sum of its proper divisors (1573157440).

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

1258525880 is a wasteful number, since it uses less digits than its factorization.

1258525880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31463158 (or 31463154 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 44.

The square root of 1258525880 is about 35475.7083086441. The cubic root of 1258525880 is about 1079.6609246483.

The spelling of 1258525880 in words is "one billion, two hundred fifty-eight million, five hundred twenty-five thousand, eight hundred eighty".