1248226039 has 2 divisors, whose sum is σ = 1248226040. Its totient is φ = 1248226038.

The previous prime is 1248226027. The next prime is 1248226061. The reversal of 1248226039 is 9306228421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1248226039 - 2¹³ = 1248217847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1248225989 and 1248226007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248226009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624113019 + 624113020.

It is an arithmetic number, because the mean of its divisors is an integer number (624113020).

Almost surely, 2^1248226039 is an apocalyptic number.

1248226039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248226039 is an equidigital number, since it uses as much as digits as its factorization.

1248226039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1248226039 is about 35330.2425550689. The cubic root of 1248226039 is about 1076.7075193480.

The spelling of 1248226039 in words is "one billion, two hundred forty-eight million, two hundred twenty-six thousand, thirty-nine".