248129235 has 24 divisors (see below), whose sum is σ = 434045040. Its totient is φ = 131118912.

The previous prime is 248129209. The next prime is 248129243. The reversal of 248129235 is 532921842.

It is a happy number.

It is not a de Polignac number, because 248129235 - 2⁷ = 248129107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248129235.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20389 + ... + 30198.

It is an arithmetic number, because the mean of its divisors is an integer number (18085210).

Almost surely, 2^248129235 is an apocalyptic number.

248129235 is a deficient number, since it is larger than the sum of its proper divisors (185915805).

248129235 is a wasteful number, since it uses less digits than its factorization.

248129235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50707 (or 50704 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 248129235 is about 15752.1184289606. The cubic root of 248129235 is about 628.3852449486.

The spelling of 248129235 in words is "two hundred forty-eight million, one hundred twenty-nine thousand, two hundred thirty-five".