1103420120 has 32 divisors (see below), whose sum is σ = 2708395920. Its totient is φ = 401243520.

The previous prime is 1103420111. The next prime is 1103420137. The reversal of 1103420120 is 210243011.

It is a super-2 number, since 2×1103420120² = 2435071922441628800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103420095 and 1103420104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253447 + ... + 1254326.

Almost surely, 2^1103420120 is an apocalyptic number.

1103420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103420120 is an abundant number, since it is smaller than the sum of its proper divisors (1604975800).

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

1103420120 is a wasteful number, since it uses less digits than its factorization.

1103420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507795 (or 2507791 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1103420120 is about 33217.7681369474. The cubic root of 1103420120 is about 1033.3488636815.

Adding to 1103420120 its reverse (210243011), we get a palindrome (1313663131).

The spelling of 1103420120 in words is "one billion, one hundred three million, four hundred twenty thousand, one hundred twenty".