1013102120 has 16 divisors (see below), whose sum is σ = 2279479860. Its totient is φ = 405240832.

The previous prime is 1013102117. The next prime is 1013102159. The reversal of 1013102120 is 212013101.

It can be written as a sum of positive squares in 2 ways, for example, as 932569444 + 80532676 = 30538^2 + 8974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12663737 + ... + 12663816.

Almost surely, 2^1013102120 is an apocalyptic number.

1013102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013102120 is an abundant number, since it is smaller than the sum of its proper divisors (1266377740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013102120 is a wasteful number, since it uses less digits than its factorization.

1013102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25327564 (or 25327560 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1013102120 is about 31829.2651501727. The cubic root of 1013102120 is about 1004.3484370207.

Adding to 1013102120 its reverse (212013101), we get a palindrome (1225115221).

The spelling of 1013102120 in words is "one billion, thirteen million, one hundred two thousand, one hundred twenty".