1103553412 has 12 divisors (see below), whose sum is σ = 2079773836. Its totient is φ = 509332320.

The previous prime is 1103553403. The next prime is 1103553413. The reversal of 1103553412 is 2143553011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 495240516 + 608312896 = 22254^2 + 24664^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1103553413) 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 3 ways as a sum of consecutive naturals, for example, 10611039 + ... + 10611142.

Almost surely, 2^1103553412 is an apocalyptic number.

It is an amenable number.

1103553412 is a deficient number, since it is larger than the sum of its proper divisors (976220424).

1103553412 is a wasteful number, since it uses less digits than its factorization.

1103553412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21222198 (or 21222196 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1103553412 is about 33219.7744122383. The cubic root of 1103553412 is about 1033.3904711613.

The spelling of 1103553412 in words is "one billion, one hundred three million, five hundred fifty-three thousand, four hundred twelve".