1103421132 has 36 divisors (see below), whose sum is σ = 3042768456. Its totient is φ = 334369920.

The previous prime is 1103421119. The next prime is 1103421133. The reversal of 1103421132 is 2311243011.

1103421132 is a `hidden beast` number, since 110 + 3 + 421 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1103421132² = 2435076389088322848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1103421133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1392813 + ... + 1393604.

It is an arithmetic number, because the mean of its divisors is an integer number (84521346).

Almost surely, 2^1103421132 is an apocalyptic number.

1103421132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103421132 is an abundant number, since it is smaller than the sum of its proper divisors (1939347324).

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

1103421132 is a wasteful number, since it uses less digits than its factorization.

1103421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786438 (or 2786433 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1103421132 is about 33217.7833697554. The cubic root of 1103421132 is about 1033.3491795928.

Adding to 1103421132 its reverse (2311243011), we get a palindrome (3414664143).

The spelling of 1103421132 in words is "one billion, one hundred three million, four hundred twenty-one thousand, one hundred thirty-two".