1123200402 has 16 divisors (see below), whose sum is σ = 2255353632. Its totient is φ = 372908000.

The previous prime is 1123200389. The next prime is 1123200413. The reversal of 1123200402 is 2040023211.

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, 371403 + ... + 374414.

It is an arithmetic number, because the mean of its divisors is an integer number (140959602).

Almost surely, 2^1123200402 is an apocalyptic number.

1123200402 is an abundant number, since it is smaller than the sum of its proper divisors (1132153230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123200402 is a wasteful number, since it uses less digits than its factorization.

1123200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746073.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1123200402 is about 33514.1821025070. The cubic root of 1123200402 is about 1039.4870504219.

Adding to 1123200402 its reverse (2040023211), we get a palindrome (3163223613).

The spelling of 1123200402 in words is "one billion, one hundred twenty-three million, two hundred thousand, four hundred two".