1123201030 has 48 divisors (see below), whose sum is σ = 2432974320. Its totient is φ = 371813568.

The previous prime is 1123201007. The next prime is 1123201031. The reversal of 1123201030 is 301023211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123201030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123201031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25312 + ... + 53731.

It is an arithmetic number, because the mean of its divisors is an integer number (50686965).

Almost surely, 2^1123201030 is an apocalyptic number.

1123201030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123201030 is an abundant number, since it is smaller than the sum of its proper divisors (1309773290).

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

1123201030 is a wasteful number, since it uses less digits than its factorization.

1123201030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79093 (or 79086 counting only the distinct ones).

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

The square root of 1123201030 is about 33514.1914716736. The cubic root of 1123201030 is about 1039.4872441534.

Adding to 1123201030 its reverse (301023211), we get a palindrome (1424224241).

The spelling of 1123201030 in words is "one billion, one hundred twenty-three million, two hundred one thousand, thirty".