1302442420 has 24 divisors (see below), whose sum is σ = 2896019784. Its totient is φ = 490331136.

The previous prime is 1302442399. The next prime is 1302442469. The reversal of 1302442420 is 242442031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 111640356 + 1190802064 = 10566^2 + 34508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1302442391 and 1302442400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915017 + ... + 1915696.

It is an arithmetic number, because the mean of its divisors is an integer number (120667491).

Almost surely, 2^1302442420 is an apocalyptic number.

1302442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302442420 is an abundant number, since it is smaller than the sum of its proper divisors (1593577364).

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

1302442420 is a wasteful number, since it uses less digits than its factorization.

1302442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830739 (or 3830737 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1302442420 is about 36089.3671321623. The cubic root of 1302442420 is about 1092.0759528452.

Adding to 1302442420 its reverse (242442031), we get a palindrome (1544884451).

The spelling of 1302442420 in words is "one billion, three hundred two million, four hundred forty-two thousand, four hundred twenty".