121000006925858 has 16 divisors (see below), whose sum is σ = 182016331131096. Its totient is φ = 60327900610560.

The previous prime is 121000006925857. The next prime is 121000006925873. The reversal of 121000006925858 is 858529600000121.

It can be written as a sum of positive squares in 4 ways, for example, as 118724624742889 + 2275382182969 = 10896083^2 + 1508437^2 .

It is not an unprimeable number, because it can be changed into a prime (121000006925851) 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, 61327010 + ... + 63269282.

Almost surely, 2^{121000006925858} is an apocalyptic number.

121000006925858 is a deficient number, since it is larger than the sum of its proper divisors (61016324205238).

121000006925858 is a wasteful number, since it uses less digits than its factorization.

121000006925858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030869.

The product of its (nonzero) digits is 345600, while the sum is 47.

Adding to 121000006925858 its reverse (858529600000121), we get a palindrome (979529606925979).

The spelling of 121000006925858 in words is "one hundred twenty-one trillion, six million, nine hundred twenty-five thousand, eight hundred fifty-eight".