1110420239 has 2 divisors, whose sum is σ = 1110420240. Its totient is φ = 1110420238.

The previous prime is 1110420203. The next prime is 1110420253. The reversal of 1110420239 is 9320240111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110420239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110470239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555210119 + 555210120.

It is an arithmetic number, because the mean of its divisors is an integer number (555210120).

Almost surely, 2^1110420239 is an apocalyptic number.

1110420239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110420239 is an equidigital number, since it uses as much as digits as its factorization.

1110420239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1110420239 is about 33322.9686402637. The cubic root of 1110420239 is about 1035.5294541149.

The spelling of 1110420239 in words is "one billion, one hundred ten million, four hundred twenty thousand, two hundred thirty-nine".