1103407144 has 64 divisors (see below), whose sum is σ = 2412892800. Its totient is φ = 463257600.

The previous prime is 1103407139. The next prime is 1103407169. The reversal of 1103407144 is 4417043011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721064 + ... + 1721704.

It is an arithmetic number, because the mean of its divisors is an integer number (37701450).

Almost surely, 2^1103407144 is an apocalyptic number.

1103407144 is a gapful number since it is divisible by the number (14) 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 1103407144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206446400).

1103407144 is an abundant number, since it is smaller than the sum of its proper divisors (1309485656).

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

1103407144 is a wasteful number, since it uses less digits than its factorization.

1103407144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1103407144 is about 33217.5728192172. The cubic root of 1103407144 is about 1033.3448130069.

The spelling of 1103407144 in words is "one billion, one hundred three million, four hundred seven thousand, one hundred forty-four".