1130345400 has 96 divisors (see below), whose sum is σ = 3589614000. Its totient is φ = 294067200.

The previous prime is 1130345393. The next prime is 1130345407. The reversal of 1130345400 is 45430311.

It is an interprime number because it is at equal distance from previous prime (1130345393) and next prime (1130345407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130345407) 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, 1626 + ... + 47574.

Almost surely, 2^1130345400 is an apocalyptic number.

1130345400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130345400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794807000).

1130345400 is an abundant number, since it is smaller than the sum of its proper divisors (2459268600).

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

1130345400 is a wasteful number, since it uses less digits than its factorization.

1130345400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46009 (or 46000 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1130345400 is about 33620.6097505682. The cubic root of 1130345400 is about 1041.6865509449.

Adding to 1130345400 its reverse (45430311), we get a palindrome (1175775711).

The spelling of 1130345400 in words is "one billion, one hundred thirty million, three hundred forty-five thousand, four hundred".