1302161332 has 12 divisors (see below), whose sum is σ = 2290351140. Its totient is φ = 647775296.

The previous prime is 1302161321. The next prime is 1302161347. The reversal of 1302161332 is 2331612031.

It can be written as a sum of positive squares in 2 ways, for example, as 1279063696 + 23097636 = 35764^2 + 4806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825457 + ... + 827032.

It is an arithmetic number, because the mean of its divisors is an integer number (190862595).

Almost surely, 2^1302161332 is an apocalyptic number.

It is an amenable number.

1302161332 is a deficient number, since it is larger than the sum of its proper divisors (988189808).

1302161332 is a wasteful number, since it uses less digits than its factorization.

1302161332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652690 (or 1652688 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1302161332 is about 36085.4725893953. The cubic root of 1302161332 is about 1091.9973846807.

Adding to 1302161332 its reverse (2331612031), we get a palindrome (3633773363).

The spelling of 1302161332 in words is "one billion, three hundred two million, one hundred sixty-one thousand, three hundred thirty-two".