1123031002 has 12 divisors (see below), whose sum is σ = 1705107690. Its totient is φ = 554743448.

The previous prime is 1123030991. The next prime is 1123031009. The reversal of 1123031002 is 2001303211.

It can be written as a sum of positive squares in only one way, i.e., 810483961 + 312547041 = 28469^2 + 17679^2 .

It is a super-2 number, since 2×1123031002² = 2522397262906248008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123031009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26977 + ... + 54532.

Almost surely, 2^1123031002 is an apocalyptic number.

1123031002 is a deficient number, since it is larger than the sum of its proper divisors (582076688).

1123031002 is an frugal number, since it uses more digits than its factorization.

1123031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81677 (or 81594 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1123031002 is about 33511.6547189183. The cubic root of 1123031002 is about 1039.4347896502.

Adding to 1123031002 its reverse (2001303211), we get a palindrome (3124334213).

The spelling of 1123031002 in words is "one billion, one hundred twenty-three million, thirty-one thousand, two".