1258270832 has 80 divisors (see below), whose sum is σ = 3014182080. Its totient is φ = 495507456.

The previous prime is 1258270823. The next prime is 1258270837. The reversal of 1258270832 is 2380728521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258270837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337394 + ... + 341102.

It is an arithmetic number, because the mean of its divisors is an integer number (37677276).

Almost surely, 2^1258270832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1258270832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507091040).

1258270832 is an abundant number, since it is smaller than the sum of its proper divisors (1755911248).

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

1258270832 is a wasteful number, since it uses less digits than its factorization.

1258270832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3964 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1258270832 is about 35472.1134414063. The cubic root of 1258270832 is about 1079.5879864149.

The spelling of 1258270832 in words is "one billion, two hundred fifty-eight million, two hundred seventy thousand, eight hundred thirty-two".