1023002005 has 8 divisors (see below), whose sum is σ = 1234461600. Its totient is φ = 813828816.

The previous prime is 1023001997. The next prime is 1023002017. The reversal of 1023002005 is 5002003201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023002005 - 2³ = 1023001997 is a prime.

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, 570615 + ... + 572404.

It is an arithmetic number, because the mean of its divisors is an integer number (154307700).

Almost surely, 2^1023002005 is an apocalyptic number.

It is an amenable number.

1023002005 is a deficient number, since it is larger than the sum of its proper divisors (211459595).

1023002005 is a wasteful number, since it uses less digits than its factorization.

1023002005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143203.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1023002005 is about 31984.4025268567. The cubic root of 1023002005 is about 1007.6092868906.

Adding to 1023002005 its reverse (5002003201), we get a palindrome (6025005206).

The spelling of 1023002005 in words is "one billion, twenty-three million, two thousand, five".