1202728229 has 2 divisors, whose sum is σ = 1202728230. Its totient is φ = 1202728228.

The previous prime is 1202728211. The next prime is 1202728243. The reversal of 1202728229 is 9228272021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836771329 + 365956900 = 28927^2 + 19130^2 .

It is an emirp because it is prime and its reverse (9228272021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202728229 - 2¹⁶ = 1202662693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202728249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601364114 + 601364115.

It is an arithmetic number, because the mean of its divisors is an integer number (601364115).

Almost surely, 2^1202728229 is an apocalyptic number.

It is an amenable number.

1202728229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202728229 is an equidigital number, since it uses as much as digits as its factorization.

1202728229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1202728229 is about 34680.3723884274. The cubic root of 1202728229 is about 1063.4632862884.

The spelling of 1202728229 in words is "one billion, two hundred two million, seven hundred twenty-eight thousand, two hundred twenty-nine".