129801094 has 4 divisors (see below), whose sum is σ = 194701644. Its totient is φ = 64900546.

The previous prime is 129801083. The next prime is 129801101. The reversal of 129801094 is 490108921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490108921 = 5483 ⋅89387.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32450272 + ... + 32450275.

It is an arithmetic number, because the mean of its divisors is an integer number (48675411).

Almost surely, 2^129801094 is an apocalyptic number.

129801094 is a deficient number, since it is larger than the sum of its proper divisors (64900550).

129801094 is an equidigital number, since it uses as much as digits as its factorization.

129801094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64900549.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 129801094 is about 11393.0283068199. The cubic root of 129801094 is about 506.3212065871.

The spelling of 129801094 in words is "one hundred twenty-nine million, eight hundred one thousand, ninety-four".