1121423132 has 12 divisors (see below), whose sum is σ = 1990131696. Its totient is φ = 552814080.

The previous prime is 1121423129. The next prime is 1121423161. The reversal of 1121423132 is 2313241211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974053 + ... + 1974620.

It is an arithmetic number, because the mean of its divisors is an integer number (165844308).

Almost surely, 2^1121423132 is an apocalyptic number.

It is an amenable number.

1121423132 is a deficient number, since it is larger than the sum of its proper divisors (868708564).

1121423132 is a wasteful number, since it uses less digits than its factorization.

1121423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948748 (or 3948746 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1121423132 is about 33487.6564124753. The cubic root of 1121423132 is about 1038.9384916112.

Adding to 1121423132 its reverse (2313241211), we get a palindrome (3434664343).

The spelling of 1121423132 in words is "one billion, one hundred twenty-one million, four hundred twenty-three thousand, one hundred thirty-two".