1005005402 has 8 divisors (see below), whose sum is σ = 1522144416. Its totient is φ = 497623932.

The previous prime is 1005005387. The next prime is 1005005423. The reversal of 1005005402 is 2045005001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439128 + ... + 2439539.

It is an arithmetic number, because the mean of its divisors is an integer number (190268052).

Almost surely, 2^1005005402 is an apocalyptic number.

1005005402 is a deficient number, since it is larger than the sum of its proper divisors (517139014).

1005005402 is a wasteful number, since it uses less digits than its factorization.

1005005402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878772.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1005005402 is about 31701.8201685645. The cubic root of 1005005402 is about 1001.6656912654.

The spelling of 1005005402 in words is "one billion, five million, five thousand, four hundred two".