1141632921 has 32 divisors (see below), whose sum is σ = 1793151360. Its totient is φ = 636940800.

The previous prime is 1141632893. The next prime is 1141632931. The reversal of 1141632921 is 1292361411.

1141632921 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1141632921 - 2⁵ = 1141632889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141632931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163461 + ... + 170301.

It is an arithmetic number, because the mean of its divisors is an integer number (56035980).

Almost surely, 2^1141632921 is an apocalyptic number.

1141632921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1141632921 is a deficient number, since it is larger than the sum of its proper divisors (651518439).

1141632921 is a wasteful number, since it uses less digits than its factorization.

1141632921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257.

The product of its digits is 2592, while the sum is 30.

The square root of 1141632921 is about 33788.0588522040. The cubic root of 1141632921 is about 1045.1424669358.

The spelling of 1141632921 in words is "one billion, one hundred forty-one million, six hundred thirty-two thousand, nine hundred twenty-one".