1130390478 has 160 divisors (see below), whose sum is σ = 3078820800. Its totient is φ = 303077376.

The previous prime is 1130390447. The next prime is 1130390489. The reversal of 1130390478 is 8740930311.

It is a happy number.

It is a super-3 number, since 3×1130390478³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1216318 + ... + 1217246.

It is an arithmetic number, because the mean of its divisors is an integer number (19242630).

Almost surely, 2^1130390478 is an apocalyptic number.

1130390478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130390478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539410400).

1130390478 is an abundant number, since it is smaller than the sum of its proper divisors (1948430322).

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

1130390478 is a wasteful number, since it uses less digits than its factorization.

1130390478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1130390478 is about 33621.2801362470. The cubic root of 1130390478 is about 1041.7003981937.

The spelling of 1130390478 in words is "one billion, one hundred thirty million, three hundred ninety thousand, four hundred seventy-eight".