1103132540 has 24 divisors (see below), whose sum is σ = 2354557632. Its totient is φ = 434018880.

The previous prime is 1103132539. The next prime is 1103132557. The reversal of 1103132540 is 452313011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450884 + ... + 453323.

It is an arithmetic number, because the mean of its divisors is an integer number (98106568).

Almost surely, 2^1103132540 is an apocalyptic number.

1103132540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103132540 is an abundant number, since it is smaller than the sum of its proper divisors (1251425092).

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

1103132540 is a wasteful number, since it uses less digits than its factorization.

1103132540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904277 (or 904275 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1103132540 is about 33213.4391474295. The cubic root of 1103132540 is about 1033.2590833457.

Adding to 1103132540 its reverse (452313011), we get a palindrome (1555445551).

The spelling of 1103132540 in words is "one billion, one hundred three million, one hundred thirty-two thousand, five hundred forty".