1091429141 has 32 divisors (see below), whose sum is σ = 1296345600. Its totient is φ = 908280000.

The previous prime is 1091429117. The next prime is 1091429191. The reversal of 1091429141 is 1419241901.

It is a cyclic number.

It is not a de Polignac number, because 1091429141 - 2²⁶ = 1024320277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1091429098 and 1091429107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091429191) 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 31 ways as a sum of consecutive naturals, for example, 751466 + ... + 752916.

It is an arithmetic number, because the mean of its divisors is an integer number (40510800).

Almost surely, 2^1091429141 is an apocalyptic number.

1091429141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1091429141 is a deficient number, since it is larger than the sum of its proper divisors (204916459).

1091429141 is a wasteful number, since it uses less digits than its factorization.

1091429141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1091429141 is about 33036.7846649761. The cubic root of 1091429141 is about 1029.5920529197.

The spelling of 1091429141 in words is "one billion, ninety-one million, four hundred twenty-nine thousand, one hundred forty-one".