1245152039 has 2 divisors, whose sum is σ = 1245152040. Its totient is φ = 1245152038.

The previous prime is 1245151997. The next prime is 1245152071. The reversal of 1245152039 is 9302515421.

It is an a-pointer prime, because the next prime (1245152071) can be obtained adding 1245152039 to its sum of digits (32).

It is a strong prime.

It is an emirp because it is prime and its reverse (9302515421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1245152039 - 2¹⁶ = 1245086503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245151996 and 1245152014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245152339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622576019 + 622576020.

It is an arithmetic number, because the mean of its divisors is an integer number (622576020).

Almost surely, 2^1245152039 is an apocalyptic number.

1245152039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245152039 is an equidigital number, since it uses as much as digits as its factorization.

1245152039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1245152039 is about 35286.7119323974. The cubic root of 1245152039 is about 1075.8229253875.

The spelling of 1245152039 in words is "one billion, two hundred forty-five million, one hundred fifty-two thousand, thirty-nine".