1259143424 has 108 divisors (see below), whose sum is σ = 3157832832. Its totient is φ = 490490880.

The previous prime is 1259143421. The next prime is 1259143429. The reversal of 1259143424 is 4243419521.

It is not an unprimeable number, because it can be changed into a prime (1259143421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213929 + ... + 219735.

Almost surely, 2^1259143424 is an apocalyptic number.

1259143424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1259143424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578916416).

1259143424 is an abundant number, since it is smaller than the sum of its proper divisors (1898689408).

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

1259143424 is an equidigital number, since it uses as much as digits as its factorization.

1259143424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852 (or 5827 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 1259143424 is about 35484.4109997616. The cubic root of 1259143424 is about 1079.8374881217.

The spelling of 1259143424 in words is "one billion, two hundred fifty-nine million, one hundred forty-three thousand, four hundred twenty-four".