1103542400 has 48 divisors (see below), whose sum is σ = 2726102490. Its totient is φ = 441415680.

The previous prime is 1103542397. The next prime is 1103542409. The reversal of 1103542400 is 42453011.

It can be written as a sum of positive squares in 3 ways, for example, as 877581376 + 225961024 = 29624^2 + 15032^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1103542409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169229 + ... + 175628.

Almost surely, 2^1103542400 is an apocalyptic number.

1103542400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103542400 is an abundant number, since it is smaller than the sum of its proper divisors (1622560090).

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

1103542400 is an equidigital number, since it uses as much as digits as its factorization.

1103542400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344881 (or 344864 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1103542400 is about 33219.6086671713. The cubic root of 1103542400 is about 1033.3870338609.

Adding to 1103542400 its reverse (42453011), we get a palindrome (1145995411).

It can be divided in two parts, 11035 and 42400, that added together give a palindrome (53435).

The spelling of 1103542400 in words is "one billion, one hundred three million, five hundred forty-two thousand, four hundred".