10129958 has 4 divisors (see below), whose sum is σ = 15194940. Its totient is φ = 5064978.

The previous prime is 10129939. The next prime is 10129969. The reversal of 10129958 is 85992101.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

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, 2532488 + ... + 2532491.

It is an arithmetic number, because the mean of its divisors is an integer number (3798735).

Almost surely, 2^10129958 is an apocalyptic number.

10129958 is a deficient number, since it is larger than the sum of its proper divisors (5064982).

10129958 is an equidigital number, since it uses as much as digits as its factorization.

10129958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064981.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 10129958 is about 3182.7594945267. The cubic root of 10129958 is about 216.3727417511.

The spelling of 10129958 in words is "ten million, one hundred twenty-nine thousand, nine hundred fifty-eight".