1020132408 has 32 divisors (see below), whose sum is σ = 2551167360. Its totient is φ = 339932640.

The previous prime is 1020132383. The next prime is 1020132431. The reversal of 1020132408 is 8042310201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103453 + ... + 112883.

It is an arithmetic number, because the mean of its divisors is an integer number (79723980).

Almost surely, 2^1020132408 is an apocalyptic number.

It is an amenable number.

1020132408 is an abundant number, since it is smaller than the sum of its proper divisors (1531034952).

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

1020132408 is a wasteful number, since it uses less digits than its factorization.

1020132408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947 (or 13943 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1020132408 is about 31939.5117057227. The cubic root of 1020132408 is about 1006.6662648323. Note that the first 3 decimals are identical.

Adding to 1020132408 its reverse (8042310201), we get a palindrome (9062442609).

The spelling of 1020132408 in words is "one billion, twenty million, one hundred thirty-two thousand, four hundred eight".