1103900625 has 45 divisors (see below), whose sum is σ = 1997024029. Its totient is φ = 587418000.

The previous prime is 1103900597. The next prime is 1103900641. The reversal of 1103900625 is 5260093011.

The square root of 1103900625 is 33225.

It is a perfect power (a square), and thus also a powerful number.

1103900625 is a `hidden beast` number, since 1 + 1 + 0 + 39 + 0 + 0 + 625 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86545809 + 1017354816 = 9303^2 + 31896^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 1103900625 - 2¹¹ = 1103898577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2491654 + ... + 2492096.

Almost surely, 2^1103900625 is an apocalyptic number.

1103900625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1103900625 is the 33225-th square number.

1103900625 is the 16613-rd centered octagonal number.

It is an amenable number.

1103900625 is a deficient number, since it is larger than the sum of its proper divisors (893123404).

1103900625 is an frugal number, since it uses more digits than its factorization.

1103900625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The cubic root of 1103900625 is about 1033.4988389659.

Adding to 1103900625 its reverse (5260093011), we get a palindrome (6363993636).

The spelling of 1103900625 in words is "one billion, one hundred three million, nine hundred thousand, six hundred twenty-five".