129974203 has 2 divisors, whose sum is σ = 129974204. Its totient is φ = 129974202.

The previous prime is 129974191. The next prime is 129974249. The reversal of 129974203 is 302479921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129974203 - 2²¹ = 127877051 is a prime.

It is not a weakly prime, because it can be changed into another prime (129974293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64987101 + 64987102.

It is an arithmetic number, because the mean of its divisors is an integer number (64987102).

Almost surely, 2^129974203 is an apocalyptic number.

129974203 is a deficient number, since it is larger than the sum of its proper divisors (1).

129974203 is an equidigital number, since it uses as much as digits as its factorization.

129974203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 129974203 is about 11400.6229215776. The cubic root of 129974203 is about 506.5461913945.

The spelling of 129974203 in words is "one hundred twenty-nine million, nine hundred seventy-four thousand, two hundred three".