120121010 has 8 divisors (see below), whose sum is σ = 216217836. Its totient is φ = 48048400.

The previous prime is 120121009. The next prime is 120121013. The reversal of 120121010 is 10121021.

It can be written as a sum of positive squares in 2 ways, for example, as 113188321 + 6932689 = 10639^2 + 2633^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006041 + ... + 6006060.

Almost surely, 2^120121010 is an apocalyptic number.

120121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121010 is a deficient number, since it is larger than the sum of its proper divisors (96096826).

120121010 is a wasteful number, since it uses less digits than its factorization.

120121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012108.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 120121010 is about 10959.9730839086. The cubic root of 120121010 is about 493.4081571234.

Adding to 120121010 its reverse (10121021), we get a palindrome (130242031).

The spelling of 120121010 in words is "one hundred twenty million, one hundred twenty-one thousand, ten".