129154030 has 8 divisors (see below), whose sum is σ = 232477272. Its totient is φ = 51661608.

The previous prime is 129154027. The next prime is 129154031. The reversal of 129154030 is 30451921.

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

It is a junction number, because it is equal to n+sod(n) for n = 129153986 and 129154004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129154031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6457692 + ... + 6457711.

It is an arithmetic number, because the mean of its divisors is an integer number (29059659).

Almost surely, 2^129154030 is an apocalyptic number.

129154030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129154030 is a deficient number, since it is larger than the sum of its proper divisors (103323242).

129154030 is a wasteful number, since it uses less digits than its factorization.

129154030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12915410.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 129154030 is about 11364.5954613440. The cubic root of 129154030 is about 505.4784603733.

The spelling of 129154030 in words is "one hundred twenty-nine million, one hundred fifty-four thousand, thirty".