3440123121 has 8 divisors (see below), whose sum is σ = 4662025024. Its totient is φ = 2255818320.

The previous prime is 3440123083. The next prime is 3440123143. The reversal of 3440123121 is 1213210443.

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

It is not a de Polignac number, because 3440123121 - 2³¹ = 1292639473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440123021) 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, 9399061 + ... + 9399426.

It is an arithmetic number, because the mean of its divisors is an integer number (582753128).

Almost surely, 2^3440123121 is an apocalyptic number.

It is an amenable number.

3440123121 is a deficient number, since it is larger than the sum of its proper divisors (1221901903).

3440123121 is a wasteful number, since it uses less digits than its factorization.

3440123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18798551.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3440123121 is about 58652.5627828827. The cubic root of 3440123121 is about 1509.5864722918.

Adding to 3440123121 its reverse (1213210443), we get a palindrome (4653333564).

The spelling of 3440123121 in words is "three billion, four hundred forty million, one hundred twenty-three thousand, one hundred twenty-one".