129417054 has 32 divisors (see below), whose sum is σ = 279980064. Its totient is φ = 39644160.

The previous prime is 129417047. The next prime is 129417059. The reversal of 129417054 is 450714921.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129417059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14614 + ... + 21734.

It is an arithmetic number, because the mean of its divisors is an integer number (8749377).

Almost surely, 2^129417054 is an apocalyptic number.

129417054 is an abundant number, since it is smaller than the sum of its proper divisors (150563010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129417054 is a wasteful number, since it uses less digits than its factorization.

129417054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7372.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 129417054 is about 11376.1616549696. The cubic root of 129417054 is about 505.8213657012.

The spelling of 129417054 in words is "one hundred twenty-nine million, four hundred seventeen thousand, fifty-four".