1130040021 has 8 divisors (see below), whose sum is σ = 1643694624. Its totient is φ = 684872720.

The previous prime is 1130040019. The next prime is 1130040061. The reversal of 1130040021 is 1200400311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1130040021 - 2¹ = 1130040019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130039979 and 1130040006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130040001) 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, 17121786 + ... + 17121851.

It is an arithmetic number, because the mean of its divisors is an integer number (205461828).

Almost surely, 2^1130040021 is an apocalyptic number.

1130040021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1130040021 is a deficient number, since it is larger than the sum of its proper divisors (513654603).

1130040021 is a wasteful number, since it uses less digits than its factorization.

1130040021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34243651.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1130040021 is about 33616.0678991461. The cubic root of 1130040021 is about 1041.5927336483.

Adding to 1130040021 its reverse (1200400311), we get a palindrome (2330440332).

The spelling of 1130040021 in words is "one billion, one hundred thirty million, forty thousand, twenty-one".