1132406121 has 48 divisors (see below), whose sum is σ = 1920639168. Its totient is φ = 586857600.

The previous prime is 1132406113. The next prime is 1132406129. The reversal of 1132406121 is 1216042311.

It is an interprime number because it is at equal distance from previous prime (1132406113) and next prime (1132406129).

It is not a de Polignac number, because 1132406121 - 2³ = 1132406113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1132406129) 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 47 ways as a sum of consecutive naturals, for example, 1327131 + ... + 1327983.

It is an arithmetic number, because the mean of its divisors is an integer number (40013316).

Almost surely, 2^1132406121 is an apocalyptic number.

1132406121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132406121 is a deficient number, since it is larger than the sum of its proper divisors (788233047).

1132406121 is a wasteful number, since it uses less digits than its factorization.

1132406121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1132406121 is about 33651.2424882054. The cubic root of 1132406121 is about 1042.3191959676.

Adding to 1132406121 its reverse (1216042311), we get a palindrome (2348448432).

It can be divided in two parts, 1132 and 406121, that added together give a triangular number (407253 = T₉₀₂).

The spelling of 1132406121 in words is "one billion, one hundred thirty-two million, four hundred six thousand, one hundred twenty-one".