129454126 has 8 divisors (see below), whose sum is σ = 194702904. Its totient is φ = 64553160.

The previous prime is 129454063. The next prime is 129454141. The reversal of 129454126 is 621454921.

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 = 129454091 and 129454100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86020 + ... + 87511.

It is an arithmetic number, because the mean of its divisors is an integer number (24337863).

Almost surely, 2^129454126 is an apocalyptic number.

129454126 is a deficient number, since it is larger than the sum of its proper divisors (65248778).

129454126 is a wasteful number, since it uses less digits than its factorization.

129454126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173906.

The product of its digits is 17280, while the sum is 34.

The square root of 129454126 is about 11377.7909103657. The cubic root of 129454126 is about 505.8696592320.

It can be divided in two parts, 12945 and 4126, that added together give a palindrome (17071).

The spelling of 129454126 in words is "one hundred twenty-nine million, four hundred fifty-four thousand, one hundred twenty-six".