1121210132 has 48 divisors (see below), whose sum is σ = 2281789440. Its totient is φ = 472130400.

The previous prime is 1121210117. The next prime is 1121210137. The reversal of 1121210132 is 2310121211.

It is a super-2 number, since 2×1121210132² = 2514224320198914848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121210137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712907 + ... + 714477.

It is an arithmetic number, because the mean of its divisors is an integer number (47537280).

Almost surely, 2^1121210132 is an apocalyptic number.

It is an amenable number.

1121210132 is an abundant number, since it is smaller than the sum of its proper divisors (1160579308).

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

1121210132 is a wasteful number, since it uses less digits than its factorization.

1121210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1121210132 is about 33484.4759851487. The cubic root of 1121210132 is about 1038.8727097475.

Adding to 1121210132 its reverse (2310121211), we get a palindrome (3431331343).

The spelling of 1121210132 in words is "one billion, one hundred twenty-one million, two hundred ten thousand, one hundred thirty-two".