1103115412 has 24 divisors (see below), whose sum is σ = 2208165120. Its totient is φ = 472349280.

The previous prime is 1103115383. The next prime is 1103115413. The reversal of 1103115412 is 2145113011.

It is a super-2 number, since 2×1103115412² = 2433727224383859488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1103115412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103115413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16389 + ... + 49747.

It is an arithmetic number, because the mean of its divisors is an integer number (92006880).

Almost surely, 2^1103115412 is an apocalyptic number.

It is an amenable number.

1103115412 is an abundant number, since it is smaller than the sum of its proper divisors (1105049708).

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

1103115412 is a wasteful number, since it uses less digits than its factorization.

1103115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34551 (or 34549 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1103115412 is about 33213.1812989963. The cubic root of 1103115412 is about 1033.2537356192.

Adding to 1103115412 its reverse (2145113011), we get a palindrome (3248228423).

The spelling of 1103115412 in words is "one billion, one hundred three million, one hundred fifteen thousand, four hundred twelve".