1228015007 has 2 divisors, whose sum is σ = 1228015008. Its totient is φ = 1228015006.

The previous prime is 1228014937. The next prime is 1228015021. The reversal of 1228015007 is 7005108221.

It is a strong prime.

It is an emirp because it is prime and its reverse (7005108221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1228015007 - 2¹² = 1228010911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228015207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614007503 + 614007504.

It is an arithmetic number, because the mean of its divisors is an integer number (614007504).

Almost surely, 2^1228015007 is an apocalyptic number.

1228015007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228015007 is an equidigital number, since it uses as much as digits as its factorization.

1228015007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1228015007 is about 35043.0450588986. The cubic root of 1228015007 is about 1070.8645898706.

The spelling of 1228015007 in words is "one billion, two hundred twenty-eight million, fifteen thousand, seven".