1102405400 has 48 divisors (see below), whose sum is σ = 2585827800. Its totient is φ = 437050880.

The previous prime is 1102405397. The next prime is 1102405411. The reversal of 1102405400 is 45042011.

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, 1790 + ... + 46989.

Almost surely, 2^1102405400 is an apocalyptic number.

1102405400 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 1102405400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1292913900).

1102405400 is an abundant number, since it is smaller than the sum of its proper divisors (1483422400).

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

1102405400 is a wasteful number, since it uses less digits than its factorization.

1102405400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48908 (or 48899 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1102405400 is about 33202.4908704151. The cubic root of 1102405400 is about 1033.0320060231.

Adding to 1102405400 its reverse (45042011), we get a palindrome (1147447411).

The spelling of 1102405400 in words is "one billion, one hundred two million, four hundred five thousand, four hundred".