1202124220 has 48 divisors (see below), whose sum is σ = 2781275616. Its totient is φ = 432800000.

The previous prime is 1202124197. The next prime is 1202124221. The reversal of 1202124220 is 224212021.

It is a junction number, because it is equal to n+sod(n) for n = 1202124194 and 1202124203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202124221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831 + ... + 49270.

It is an arithmetic number, because the mean of its divisors is an integer number (57943242).

Almost surely, 2^1202124220 is an apocalyptic number.

1202124220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202124220 is an abundant number, since it is smaller than the sum of its proper divisors (1579151396).

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

1202124220 is a wasteful number, since it uses less digits than its factorization.

1202124220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54222 (or 54220 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1202124220 is about 34671.6630694289. The cubic root of 1202124220 is about 1063.2852330540.

Adding to 1202124220 its reverse (224212021), we get a palindrome (1426336241).

The spelling of 1202124220 in words is "one billion, two hundred two million, one hundred twenty-four thousand, two hundred twenty".