1113021002 has 8 divisors (see below), whose sum is σ = 1674262116. Its totient is φ = 554933632.

The previous prime is 1113021001. The next prime is 1113021011. The reversal of 1113021002 is 2001203111.

It can be written as a sum of positive squares in 2 ways, for example, as 1094881921 + 18139081 = 33089^2 + 4259^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1113021001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787553 + ... + 788964.

Almost surely, 2^1113021002 is an apocalyptic number.

1113021002 is a deficient number, since it is larger than the sum of its proper divisors (561241114).

1113021002 is a wasteful number, since it uses less digits than its factorization.

1113021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576872.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1113021002 is about 33361.9693963051. The cubic root of 1113021002 is about 1036.3372764549.

Adding to 1113021002 its reverse (2001203111), we get a palindrome (3114224113).

The spelling of 1113021002 in words is "one billion, one hundred thirteen million, twenty-one thousand, two".