1228739003 has 2 divisors, whose sum is σ = 1228739004. Its totient is φ = 1228739002.

The previous prime is 1228738981. The next prime is 1228739041. The reversal of 1228739003 is 3009378221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3009378221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1228739003 - 2¹⁴ = 1228722619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1228739053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614369501 + 614369502.

It is an arithmetic number, because the mean of its divisors is an integer number (614369502).

Almost surely, 2^1228739003 is an apocalyptic number.

1228739003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228739003 is an equidigital number, since it uses as much as digits as its factorization.

1228739003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1228739003 is about 35053.3736322198. The cubic root of 1228739003 is about 1071.0749970076.

The spelling of 1228739003 in words is "one billion, two hundred twenty-eight million, seven hundred thirty-nine thousand, three".