1132121001 has 16 divisors (see below), whose sum is σ = 1743588288. Its totient is φ = 645772800.

The previous prime is 1132120991. The next prime is 1132121033. The reversal of 1132121001 is 1001212311.

It is not a de Polignac number, because 1132121001 - 2¹³ = 1132112809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1132121701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008460 + ... + 1009581.

It is an arithmetic number, because the mean of its divisors is an integer number (108974268).

Almost surely, 2^1132121001 is an apocalyptic number.

1132121001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132121001 is a deficient number, since it is larger than the sum of its proper divisors (611467287).

1132121001 is a wasteful number, since it uses less digits than its factorization.

1132121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018072.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1132121001 is about 33647.0058251845. The cubic root of 1132121001 is about 1042.2317093939.

Adding to 1132121001 its reverse (1001212311), we get a palindrome (2133333312).

The spelling of 1132121001 in words is "one billion, one hundred thirty-two million, one hundred twenty-one thousand, one".