708130121 has 8 divisors (see below), whose sum is σ = 755260200. Its totient is φ = 661608448.

The previous prime is 708130109. The next prime is 708130177. The reversal of 708130121 is 121031807.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 301543225 + 406586896 = 17365^2 + 20164^2 .

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

It is not a de Polignac number, because 708130121 - 2¹⁴ = 708113737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (708130421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149696 + ... + 154353.

It is an arithmetic number, because the mean of its divisors is an integer number (94407525).

Almost surely, 2^708130121 is an apocalyptic number.

It is an amenable number.

708130121 is a deficient number, since it is larger than the sum of its proper divisors (47130079).

708130121 is a wasteful number, since it uses less digits than its factorization.

708130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304203.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 708130121 is about 26610.7144022854. The cubic root of 708130121 is about 891.3282867707.

Adding to 708130121 its reverse (121031807), we get a palindrome (829161928).

The spelling of 708130121 in words is "seven hundred eight million, one hundred thirty thousand, one hundred twenty-one".