1302211242 has 28 divisors (see below), whose sum is σ = 2928638850. Its totient is φ = 434069928.

The previous prime is 1302211193. The next prime is 1302211283. The reversal of 1302211242 is 2421122031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1295352081 + 6859161 = 35991^2 + 2619^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 445117 + ... + 448032.

Almost surely, 2^1302211242 is an apocalyptic number.

1302211242 is an abundant number, since it is smaller than the sum of its proper divisors (1626427608).

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

1302211242 is an frugal number, since it uses more digits than its factorization.

1302211242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893169 (or 893154 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1302211242 is about 36086.1641353026. The cubic root of 1302211242 is about 1092.0113360736.

Adding to 1302211242 its reverse (2421122031), we get a palindrome (3723333273).

The spelling of 1302211242 in words is "one billion, three hundred two million, two hundred eleven thousand, two hundred forty-two".