109001213 has 2 divisors, whose sum is σ = 109001214. Its totient is φ = 109001212.

The previous prime is 109001201. The next prime is 109001219. The reversal of 109001213 is 312100901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108534724 + 466489 = 10418^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 109001213 - 2¹⁰ = 109000189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109001191 and 109001200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109001219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54500606 + 54500607.

It is an arithmetic number, because the mean of its divisors is an integer number (54500607).

Almost surely, 2^109001213 is an apocalyptic number.

It is an amenable number.

109001213 is a deficient number, since it is larger than the sum of its proper divisors (1).

109001213 is an equidigital number, since it uses as much as digits as its factorization.

109001213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 109001213 is about 10440.3646009131. The cubic root of 109001213 is about 477.6873900622.

The spelling of 109001213 in words is "one hundred nine million, one thousand, two hundred thirteen".