1130420430 has 48 divisors (see below), whose sum is σ = 3010788144. Its totient is φ = 294092160.

The previous prime is 1130420407. The next prime is 1130420437. The reversal of 1130420430 is 340240311.

It is a super-3 number, since 3×1130420430³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130420437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149484 + ... + 156863.

It is an arithmetic number, because the mean of its divisors is an integer number (62724753).

Almost surely, 2^1130420430 is an apocalyptic number.

1130420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130420430 is an abundant number, since it is smaller than the sum of its proper divisors (1880367714).

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

1130420430 is a wasteful number, since it uses less digits than its factorization.

1130420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306401 (or 306398 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1130420430 is about 33621.7255654733. The cubic root of 1130420430 is about 1041.7095987710.

Adding to 1130420430 its reverse (340240311), we get a palindrome (1470660741).

The spelling of 1130420430 in words is "one billion, one hundred thirty million, four hundred twenty thousand, four hundred thirty".