129203092 has 12 divisors (see below), whose sum is σ = 226247476. Its totient is φ = 64560960.

The previous prime is 129203083. The next prime is 129203101. The reversal of 129203092 is 290302921.

It is an interprime number because it is at equal distance from previous prime (129203083) and next prime (129203101).

It can be written as a sum of positive squares in 2 ways, for example, as 2775556 + 126427536 = 1666^2 + 11244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 129203092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313 + ... + 16240.

Almost surely, 2^129203092 is an apocalyptic number.

It is an amenable number.

129203092 is a deficient number, since it is larger than the sum of its proper divisors (97044384).

129203092 is a wasteful number, since it uses less digits than its factorization.

129203092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20298 (or 20296 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 129203092 is about 11366.7538022076. The cubic root of 129203092 is about 505.5424579753.

The spelling of 129203092 in words is "one hundred twenty-nine million, two hundred three thousand, ninety-two".