1084240421 has 8 divisors (see below), whose sum is σ = 1183598688. Its totient is φ = 985014000.

The previous prime is 1084240403. The next prime is 1084240459. The reversal of 1084240421 is 1240424801.

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 1084240421 - 2¹⁰ = 1084239397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084240621) 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, 15350 + ... + 49031.

It is an arithmetic number, because the mean of its divisors is an integer number (147949836).

Almost surely, 2^1084240421 is an apocalyptic number.

1084240421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1084240421 is a deficient number, since it is larger than the sum of its proper divisors (99358267).

1084240421 is a wasteful number, since it uses less digits than its factorization.

1084240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65923.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 1084240421 is about 32927.8061978019. The cubic root of 1084240421 is about 1027.3265955304.

The spelling of 1084240421 in words is "one billion, eighty-four million, two hundred forty thousand, four hundred twenty-one".