3140442121 has 4 divisors (see below), whose sum is σ = 3148999552. Its totient is φ = 3131884692.

The previous prime is 3140442119. The next prime is 3140442167. The reversal of 3140442121 is 1212440413.

It is a happy number.

3140442121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3140442121 - 2¹ = 3140442119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3140442092 and 3140442101.

It is not an unprimeable number, because it can be changed into a prime (3140442101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4278165 + ... + 4278898.

It is an arithmetic number, because the mean of its divisors is an integer number (787249888).

Almost surely, 2^3140442121 is an apocalyptic number.

It is an amenable number.

3140442121 is a deficient number, since it is larger than the sum of its proper divisors (8557431).

3140442121 is an equidigital number, since it uses as much as digits as its factorization.

3140442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557430.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3140442121 is about 56039.6477594212. The cubic root of 3140442121 is about 1464.4130752382.

Adding to 3140442121 its reverse (1212440413), we get a palindrome (4352882534).

The spelling of 3140442121 in words is "three billion, one hundred forty million, four hundred forty-two thousand, one hundred twenty-one".