1230272039 has 2 divisors, whose sum is σ = 1230272040. Its totient is φ = 1230272038.

The previous prime is 1230271981. The next prime is 1230272051. The reversal of 1230272039 is 9302720321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230272039 - 2¹² = 1230267943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230272639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615136019 + 615136020.

It is an arithmetic number, because the mean of its divisors is an integer number (615136020).

Almost surely, 2^1230272039 is an apocalyptic number.

1230272039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230272039 is an equidigital number, since it uses as much as digits as its factorization.

1230272039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1230272039 is about 35075.2339835389. The cubic root of 1230272039 is about 1071.5202540609.

The spelling of 1230272039 in words is "one billion, two hundred thirty million, two hundred seventy-two thousand, thirty-nine".