1011300400 has 60 divisors (see below), whose sum is σ = 2650537944. Its totient is φ = 367744000.

The previous prime is 1011300379. The next prime is 1011300401. The reversal of 1011300400 is 40031101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1011300401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110521 + ... + 119320.

Almost surely, 2^1011300400 is an apocalyptic number.

1011300400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011300400 is an abundant number, since it is smaller than the sum of its proper divisors (1639237544).

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

1011300400 is a wasteful number, since it uses less digits than its factorization.

1011300400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229870 (or 229859 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1011300400 is about 31800.9496713542. The cubic root of 1011300400 is about 1003.7526996294.

Adding to 1011300400 its reverse (40031101), we get a palindrome (1051331501).

The spelling of 1011300400 in words is "one billion, eleven million, three hundred thousand, four hundred".