1005042355 has 8 divisors (see below), whose sum is σ = 1206710064. Its totient is φ = 803594400.

The previous prime is 1005042347. The next prime is 1005042361. The reversal of 1005042355 is 5532405001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1005042355 - 2³ = 1005042347 is a prime.

It is a super-2 number, since 2×1005042355² = 2020220270687892050, which contains 22 as substring.

It is a Duffinian 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, 44701 + ... + 63310.

It is an arithmetic number, because the mean of its divisors is an integer number (150838758).

Almost surely, 2^1005042355 is an apocalyptic number.

1005042355 is a deficient number, since it is larger than the sum of its proper divisors (201667709).

1005042355 is a wasteful number, since it uses less digits than its factorization.

1005042355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109877.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1005042355 is about 31702.4029846319. The cubic root of 1005042355 is about 1001.6779678491.

Adding to 1005042355 its reverse (5532405001), we get a palindrome (6537447356).

The spelling of 1005042355 in words is "one billion, five million, forty-two thousand, three hundred fifty-five".