1302240442 has 12 divisors (see below), whose sum is σ = 2002170798. Its totient is φ = 635237600.

The previous prime is 1302240437. The next prime is 1302240451. The reversal of 1302240442 is 2440422031.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 630964161 + 671276281 = 25119^2 + 25909^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190309 + ... + 197032.

Almost surely, 2^1302240442 is an apocalyptic number.

1302240442 is a deficient number, since it is larger than the sum of its proper divisors (699930356).

1302240442 is an equidigital number, since it uses as much as digits as its factorization.

1302240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387425 (or 387384 counting only the distinct ones).

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

The square root of 1302240442 is about 36086.5687202316. The cubic root of 1302240442 is about 1092.0194982139.

Adding to 1302240442 its reverse (2440422031), we get a palindrome (3742662473).

The spelling of 1302240442 in words is "one billion, three hundred two million, two hundred forty thousand, four hundred forty-two".