129850790 has 8 divisors (see below), whose sum is σ = 233731440. Its totient is φ = 51940312.

The previous prime is 129850783. The next prime is 129850817. The reversal of 129850790 is 97058921.

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

It is a super-2 number, since 2×129850790² = 33722455327248200, which contains 22 as substring.

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, 6492530 + ... + 6492549.

It is an arithmetic number, because the mean of its divisors is an integer number (29216430).

Almost surely, 2^129850790 is an apocalyptic number.

129850790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129850790 is a deficient number, since it is larger than the sum of its proper divisors (103880650).

129850790 is a wasteful number, since it uses less digits than its factorization.

129850790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985086.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 129850790 is about 11395.2090810129. The cubic root of 129850790 is about 506.3858155139.

The spelling of 129850790 in words is "one hundred twenty-nine million, eight hundred fifty thousand, seven hundred ninety".