1123121030 has 8 divisors (see below), whose sum is σ = 2021617872. Its totient is φ = 449248408.

The previous prime is 1123121011. The next prime is 1123121063. The reversal of 1123121030 is 301213211.

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

It is a super-2 number, since 2×1123121030² = 2522801696056521800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123120996 and 1123121014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56156042 + ... + 56156061.

It is an arithmetic number, because the mean of its divisors is an integer number (252702234).

Almost surely, 2^1123121030 is an apocalyptic number.

1123121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123121030 is a deficient number, since it is larger than the sum of its proper divisors (898496842).

1123121030 is a wasteful number, since it uses less digits than its factorization.

1123121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112312110.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1123121030 is about 33512.9979261778. The cubic root of 1123121030 is about 1039.4625644057.

Adding to 1123121030 its reverse (301213211), we get a palindrome (1424334241).

The spelling of 1123121030 in words is "one billion, one hundred twenty-three million, one hundred twenty-one thousand, thirty".