1202254420 has 24 divisors (see below), whose sum is σ = 2526539904. Its totient is φ = 480557856.

The previous prime is 1202254381. The next prime is 1202254423. The reversal of 1202254420 is 244522021.

It is a junction number, because it is equal to n+sod(n) for n = 1202254391 and 1202254400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202254423) 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, 8169 + ... + 49711.

It is an arithmetic number, because the mean of its divisors is an integer number (105272496).

Almost surely, 2^1202254420 is an apocalyptic number.

1202254420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202254420 is an abundant number, since it is smaller than the sum of its proper divisors (1324285484).

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

1202254420 is a wasteful number, since it uses less digits than its factorization.

1202254420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42999 (or 42997 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1202254420 is about 34673.5406325919. The cubic root of 1202254420 is about 1063.3236191978.

Adding to 1202254420 its reverse (244522021), we get a palindrome (1446776441).

The spelling of 1202254420 in words is "one billion, two hundred two million, two hundred fifty-four thousand, four hundred twenty".