1140421232 has 40 divisors (see below), whose sum is σ = 2316153840. Its totient is φ = 543352320.

The previous prime is 1140421229. The next prime is 1140421267. The reversal of 1140421232 is 2321240411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7994 + ... + 48422.

It is an arithmetic number, because the mean of its divisors is an integer number (57903846).

Almost surely, 2^1140421232 is an apocalyptic number.

It is an amenable number.

1140421232 is an abundant number, since it is smaller than the sum of its proper divisors (1175732608).

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

1140421232 is a wasteful number, since it uses less digits than its factorization.

1140421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40521 (or 40515 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140421232 is about 33770.1233637072. The cubic root of 1140421232 is about 1044.7725768994.

Adding to 1140421232 its reverse (2321240411), we get a palindrome (3461661643).

The spelling of 1140421232 in words is "one billion, one hundred forty million, four hundred twenty-one thousand, two hundred thirty-two".