129114730 has 8 divisors (see below), whose sum is σ = 232406532. Its totient is φ = 51645888.

The previous prime is 129114647. The next prime is 129114743. The reversal of 129114730 is 37411921.

It can be written as a sum of positive squares in 2 ways, for example, as 128210329 + 904401 = 11323^2 + 951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×129114730² = 33341227005945800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6455727 + ... + 6455746.

Almost surely, 2^129114730 is an apocalyptic number.

129114730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129114730 is a deficient number, since it is larger than the sum of its proper divisors (103291802).

129114730 is a wasteful number, since it uses less digits than its factorization.

129114730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911480.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 129114730 is about 11362.8662757246. The cubic root of 129114730 is about 505.4271848569.

The spelling of 129114730 in words is "one hundred twenty-nine million, one hundred fourteen thousand, seven hundred thirty".