1259298432 has 192 divisors, whose sum is σ = 4227288000. Its totient is φ = 359686656.

The previous prime is 1259298431. The next prime is 1259298449. The reversal of 1259298432 is 2348929521.

1259298432 is a `hidden beast` number, since 12 + 592 + 9 + 8 + 43 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259298431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393543 + ... + 396729.

It is an arithmetic number, because the mean of its divisors is an integer number (22017125).

Almost surely, 2^1259298432 is an apocalyptic number.

1259298432 is a gapful number since it is divisible by the number (12) 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 1259298432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113644000).

1259298432 is an abundant number, since it is smaller than the sum of its proper divisors (2967989568).

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

1259298432 is an equidigital number, since it uses as much as digits as its factorization.

1259298432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228 (or 3199 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1259298432 is about 35486.5951029399. The cubic root of 1259298432 is about 1079.8817977632.

The spelling of 1259298432 in words is "one billion, two hundred fifty-nine million, two hundred ninety-eight thousand, four hundred thirty-two".