1298475432 has 96 divisors (see below), whose sum is σ = 3566484480. Its totient is φ = 426746880.

The previous prime is 1298475421. The next prime is 1298475473. The reversal of 1298475432 is 2345748921.

1298475432 is a `hidden beast` number, since 1 + 29 + 84 + 7 + 543 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1929048 + ... + 1929720.

It is an arithmetic number, because the mean of its divisors is an integer number (37150880).

Almost surely, 2^1298475432 is an apocalyptic number.

1298475432 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 1298475432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783242240).

1298475432 is an abundant number, since it is smaller than the sum of its proper divisors (2268009048).

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

1298475432 is a wasteful number, since it uses less digits than its factorization.

1298475432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1016 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1298475432 is about 36034.3645982554. The cubic root of 1298475432 is about 1090.9660744628.

The spelling of 1298475432 in words is "one billion, two hundred ninety-eight million, four hundred seventy-five thousand, four hundred thirty-two".