1140421000 has 32 divisors (see below), whose sum is σ = 2668587480. Its totient is φ = 456168000.

The previous prime is 1140420947. The next prime is 1140421001. The reversal of 1140421000 is 1240411.

It can be written as a sum of positive squares in 4 ways, for example, as 413471556 + 726949444 = 20334^2 + 26962^2 .

It is not an unprimeable number, because it can be changed into a prime (1140421001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569211 + ... + 571210.

Almost surely, 2^1140421000 is an apocalyptic number.

1140421000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140421000 is an abundant number, since it is smaller than the sum of its proper divisors (1528166480).

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

1140421000 is a wasteful number, since it uses less digits than its factorization.

1140421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140442 (or 1140428 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1140421000 is about 33770.1199287181. The cubic root of 1140421000 is about 1044.7725060521.

Adding to 1140421000 its reverse (1240411), we get a palindrome (1141661411).

The spelling of 1140421000 in words is "one billion, one hundred forty million, four hundred twenty-one thousand".