1122103620 has 72 divisors (see below), whose sum is σ = 3713149440. Its totient is φ = 272024640.

The previous prime is 1122103613. The next prime is 1122103627. The reversal of 1122103620 is 263012211.

1122103620 is a `hidden beast` number, since 11 + 22 + 10 + 3 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (1122103613) and next prime (1122103627).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1122103593 and 1122103602.

It is not an unprimeable number, because it can be changed into a prime (1122103627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281380 + ... + 285339.

It is an arithmetic number, because the mean of its divisors is an integer number (51571520).

Almost surely, 2^1122103620 is an apocalyptic number.

1122103620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122103620 is an abundant number, since it is smaller than the sum of its proper divisors (2591045820).

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

1122103620 is a wasteful number, since it uses less digits than its factorization.

1122103620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566745 (or 566740 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1122103620 is about 33497.8151526335. The cubic root of 1122103620 is about 1039.1485943526.

Adding to 1122103620 its reverse (263012211), we get a palindrome (1385115831).

The spelling of 1122103620 in words is "one billion, one hundred twenty-two million, one hundred three thousand, six hundred twenty".