1122013420 has 48 divisors (see below), whose sum is σ = 2573722368. Its totient is φ = 407482560.

The previous prime is 1122013369. The next prime is 1122013433. The reversal of 1122013420 is 243102211.

It is a super-2 number, since 2×1122013420² = 2517828229320192800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122013394 and 1122013403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196729 + ... + 202351.

It is an arithmetic number, because the mean of its divisors is an integer number (53619216).

Almost surely, 2^1122013420 is an apocalyptic number.

1122013420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122013420 is an abundant number, since it is smaller than the sum of its proper divisors (1451708948).

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

1122013420 is a wasteful number, since it uses less digits than its factorization.

1122013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550 (or 6548 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122013420 is about 33496.4687691106. The cubic root of 1122013420 is about 1039.1207497124.

Adding to 1122013420 its reverse (243102211), we get a palindrome (1365115631).

The spelling of 1122013420 in words is "one billion, one hundred twenty-two million, thirteen thousand, four hundred twenty".