1123013002 has 4 divisors (see below), whose sum is σ = 1684519506. Its totient is φ = 561506500.

The previous prime is 1123012999. The next prime is 1123013009. The reversal of 1123013002 is 2003103211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 693321561 + 429691441 = 26331^2 + 20729^2 .

It is a super-2 number, since 2×1123013002² = 2522316405322104008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123013009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280753249 + ... + 280753252.

Almost surely, 2^1123013002 is an apocalyptic number.

1123013002 is a deficient number, since it is larger than the sum of its proper divisors (561506504).

1123013002 is an equidigital number, since it uses as much as digits as its factorization.

1123013002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561506503.

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

The square root of 1123013002 is about 33511.3861545595. The cubic root of 1123013002 is about 1039.4292362486.

Adding to 1123013002 its reverse (2003103211), we get a palindrome (3126116213).

The spelling of 1123013002 in words is "one billion, one hundred twenty-three million, thirteen thousand, two".