109102429 has 2 divisors, whose sum is σ = 109102430. Its totient is φ = 109102428.

The previous prime is 109102417. The next prime is 109102439. The reversal of 109102429 is 924201901.

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., 86918329 + 22184100 = 9323^2 + 4710^2 .

It is a cyclic number.

It is not a de Polignac number, because 109102429 - 2¹⁵ = 109069661 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109102397 and 109102406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109102439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54551214 + 54551215.

It is an arithmetic number, because the mean of its divisors is an integer number (54551215).

Almost surely, 2^109102429 is an apocalyptic number.

It is an amenable number.

109102429 is a deficient number, since it is larger than the sum of its proper divisors (1).

109102429 is an equidigital number, since it uses as much as digits as its factorization.

109102429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 109102429 is about 10445.2108164460. The cubic root of 109102429 is about 477.8352008000.

The spelling of 109102429 in words is "one hundred nine million, one hundred two thousand, four hundred twenty-nine".