1021214039 has 2 divisors, whose sum is σ = 1021214040. Its totient is φ = 1021214038.

The previous prime is 1021214011. The next prime is 1021214041. The reversal of 1021214039 is 9304121201.

It is a strong prime.

It is an emirp because it is prime and its reverse (9304121201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021214039 - 2²⁰ = 1020165463 is a prime.

It is a super-2 number, since 2×1021214039² = 2085756226901387042, which contains 22 as substring.

Together with 1021214041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021214339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510607019 + 510607020.

It is an arithmetic number, because the mean of its divisors is an integer number (510607020).

Almost surely, 2^1021214039 is an apocalyptic number.

1021214039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021214039 is an equidigital number, since it uses as much as digits as its factorization.

1021214039 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1021214039 is about 31956.4397109565. The cubic root of 1021214039 is about 1007.0219235126.

The spelling of 1021214039 in words is "one billion, twenty-one million, two hundred fourteen thousand, thirty-nine".