1130421420 has 72 divisors (see below), whose sum is σ = 3555958224. Its totient is φ = 301444416.

The previous prime is 1130421389. The next prime is 1130421433. The reversal of 1130421420 is 241240311.

It is a super-3 number, since 3×1130421420³ (a number of 28 digits) contains 333 as substring.

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 = 1130421393 and 1130421402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111439 + ... + 121158.

Almost surely, 2^1130421420 is an apocalyptic number.

1130421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130421420 is an abundant number, since it is smaller than the sum of its proper divisors (2425536804).

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

1130421420 is a wasteful number, since it uses less digits than its factorization.

1130421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232621 (or 232607 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1130421420 is about 33621.7402880934. The cubic root of 1130421420 is about 1041.7099028738.

Adding to 1130421420 its reverse (241240311), we get a palindrome (1371661731).

The spelling of 1130421420 in words is "one billion, one hundred thirty million, four hundred twenty-one thousand, four hundred twenty".