1130905400 has 48 divisors (see below), whose sum is σ = 2743686000. Its totient is φ = 432692480.

The previous prime is 1130905387. The next prime is 1130905429. The reversal of 1130905400 is 45090311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118325 + ... + 127524.

It is an arithmetic number, because the mean of its divisors is an integer number (57160125).

Almost surely, 2^1130905400 is an apocalyptic number.

1130905400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130905400 is an abundant number, since it is smaller than the sum of its proper divisors (1612780600).

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

1130905400 is a wasteful number, since it uses less digits than its factorization.

1130905400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245888 (or 245879 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1130905400 is about 33628.9369442449. The cubic root of 1130905400 is about 1041.8585479766.

Adding to 1130905400 its reverse (45090311), we get a palindrome (1175995711).

The spelling of 1130905400 in words is "one billion, one hundred thirty million, nine hundred five thousand, four hundred".