1122000030 has 96 divisors (see below), whose sum is σ = 3052408320. Its totient is φ = 285405120.

The previous prime is 1122000013. The next prime is 1122000031. The reversal of 1122000030 is 300002211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1121999976 and 1122000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122000031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1305741 + ... + 1306599.

It is an arithmetic number, because the mean of its divisors is an integer number (31795920).

Almost surely, 2^1122000030 is an apocalyptic number.

1122000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122000030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526204160).

1122000030 is an abundant number, since it is smaller than the sum of its proper divisors (1930408290).

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

1122000030 is a wasteful number, since it uses less digits than its factorization.

1122000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1122000030 is about 33496.2688966995. The cubic root of 1122000030 is about 1039.1166161070.

Adding to 1122000030 its reverse (300002211), we get a palindrome (1422002241).

The spelling of 1122000030 in words is "one billion, one hundred twenty-two million, thirty", and thus it is an aban number.