1042014221 has 4 divisors (see below), whose sum is σ = 1067429244. Its totient is φ = 1016599200.

The previous prime is 1042014209. The next prime is 1042014277. The reversal of 1042014221 is 1224102401.

1042014221 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 an emirpimes, since its reverse is a distinct semiprime: 1224102401 = 3517 ⋅348053.

It can be written as a sum of positive squares in 2 ways, for example, as 518245225 + 523768996 = 22765^2 + 22886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042014221 - 2⁶ = 1042014157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042014221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042074221) 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, 12707450 + ... + 12707531.

It is an arithmetic number, because the mean of its divisors is an integer number (266857311).

Almost surely, 2^1042014221 is an apocalyptic number.

It is an amenable number.

1042014221 is a deficient number, since it is larger than the sum of its proper divisors (25415023).

1042014221 is an equidigital number, since it uses as much as digits as its factorization.

1042014221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25415022.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1042014221 is about 32280.2450579298. The cubic root of 1042014221 is about 1013.8130611610.

Adding to 1042014221 its reverse (1224102401), we get a palindrome (2266116622).

The spelling of 1042014221 in words is "one billion, forty-two million, fourteen thousand, two hundred twenty-one".