129954371 has 2 divisors, whose sum is σ = 129954372. Its totient is φ = 129954370.

The previous prime is 129954367. The next prime is 129954469. The reversal of 129954371 is 173459921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129954371 - 2² = 129954367 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129954311) by changing a digit.

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 as a sum of consecutive naturals, namely, 64977185 + 64977186.

It is an arithmetic number, because the mean of its divisors is an integer number (64977186).

Almost surely, 2^129954371 is an apocalyptic number.

129954371 is a deficient number, since it is larger than the sum of its proper divisors (1).

129954371 is an equidigital number, since it uses as much as digits as its factorization.

129954371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 129954371 is about 11399.7531113617. The cubic root of 129954371 is about 506.5204264483.

The spelling of 129954371 in words is "one hundred twenty-nine million, nine hundred fifty-four thousand, three hundred seventy-one".