129468941 has 4 divisors (see below), whose sum is σ = 147964512. Its totient is φ = 110973372.

The previous prime is 129468917. The next prime is 129468943. The reversal of 129468941 is 149864921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 149864921 = 2333 ⋅64237.

It is a cyclic number.

It is not a de Polignac number, because 129468941 - 2¹⁰ = 129467917 is a prime.

It is a super-2 number, since 2×129468941² = 33524413367322962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129468892 and 129468901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129468943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9247775 + ... + 9247788.

It is an arithmetic number, because the mean of its divisors is an integer number (36991128).

Almost surely, 2^129468941 is an apocalyptic number.

It is an amenable number.

129468941 is a deficient number, since it is larger than the sum of its proper divisors (18495571).

129468941 is an equidigital number, since it uses as much as digits as its factorization.

129468941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18495570.

The product of its digits is 124416, while the sum is 44.

The square root of 129468941 is about 11378.4419407931. The cubic root of 129468941 is about 505.8889560886. Note that the first 3 decimals are identical.

The spelling of 129468941 in words is "one hundred twenty-nine million, four hundred sixty-eight thousand, nine hundred forty-one".