1202230109 has 2 divisors, whose sum is σ = 1202230110. Its totient is φ = 1202230108.

The previous prime is 1202230093. The next prime is 1202230121. The reversal of 1202230109 is 9010322021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701455225 + 500774884 = 26485^2 + 22378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202230109 - 2⁴ = 1202230093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202230199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601115054 + 601115055.

It is an arithmetic number, because the mean of its divisors is an integer number (601115055).

Almost surely, 2^1202230109 is an apocalyptic number.

It is an amenable number.

1202230109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202230109 is an equidigital number, since it uses as much as digits as its factorization.

1202230109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1202230109 is about 34673.1900609102. The cubic root of 1202230109 is about 1063.3164519310.

The spelling of 1202230109 in words is "one billion, two hundred two million, two hundred thirty thousand, one hundred nine".