1102405200 has 120 divisors (see below), whose sum is σ = 3803069088. Its totient is φ = 271357440.

The previous prime is 1102405177. The next prime is 1102405201. The reversal of 1102405200 is 25042011.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1102405200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102405201) 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, 19734 + ... + 50933.

Almost surely, 2^1102405200 is an apocalyptic number.

1102405200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102405200 is an abundant number, since it is smaller than the sum of its proper divisors (2700663888).

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

1102405200 is a wasteful number, since it uses less digits than its factorization.

1102405200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70701 (or 70690 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1102405200 is about 33202.4878585928. The cubic root of 1102405200 is about 1033.0319435517.

Adding to 1102405200 its reverse (25042011), we get a palindrome (1127447211).

It can be divided in two parts, 110240 and 5200, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 1102405200 in words is "one billion, one hundred two million, four hundred five thousand, two hundred".