1202011120 has 20 divisors (see below), whose sum is σ = 2794676040. Its totient is φ = 480804416.

The previous prime is 1202011091. The next prime is 1202011147. The reversal of 1202011120 is 211102021.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1202011097 and 1202011106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7512490 + ... + 7512649.

It is an arithmetic number, because the mean of its divisors is an integer number (139733802).

Almost surely, 2^1202011120 is an apocalyptic number.

1202011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202011120 is an abundant number, since it is smaller than the sum of its proper divisors (1592664920).

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

1202011120 is a wasteful number, since it uses less digits than its factorization.

1202011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15025152 (or 15025146 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1202011120 is about 34670.0320161375. The cubic root of 1202011120 is about 1063.2518861587.

Adding to 1202011120 its reverse (211102021), we get a palindrome (1413113141).

Subtracting from 1202011120 its reverse (211102021), we obtain a palindrome (990909099).

The spelling of 1202011120 in words is "one billion, two hundred two million, eleven thousand, one hundred twenty".