1190040321 has 8 divisors (see below), whose sum is σ = 1588656384. Its totient is φ = 792392240.

The previous prime is 1190040311. The next prime is 1190040331. The reversal of 1190040321 is 1230400911.

It is an interprime number because it is at equal distance from previous prime (1190040311) and next prime (1190040331).

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 1190040321 - 2⁵ = 1190040289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1190040311) 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, 239121 + ... + 244046.

It is an arithmetic number, because the mean of its divisors is an integer number (198582048).

Almost surely, 2^1190040321 is an apocalyptic number.

It is an amenable number.

1190040321 is a deficient number, since it is larger than the sum of its proper divisors (398616063).

1190040321 is an equidigital number, since it uses as much as digits as its factorization.

1190040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483991.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1190040321 is about 34496.9610400684. The cubic root of 1190040321 is about 1059.7104706460.

The spelling of 1190040321 in words is "one billion, one hundred ninety million, forty thousand, three hundred twenty-one".