1522678132 has 12 divisors (see below), whose sum is σ = 2678494756. Its totient is φ = 757393920.

The previous prime is 1522678103. The next prime is 1522678133. The reversal of 1522678132 is 2318762251.

It can be written as a sum of positive squares in 2 ways, for example, as 815330916 + 707347216 = 28554^2 + 26596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1522678091 and 1522678100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522678133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985419 + ... + 986962.

Almost surely, 2^1522678132 is an apocalyptic number.

It is an amenable number.

1522678132 is a deficient number, since it is larger than the sum of its proper divisors (1155816624).

1522678132 is a wasteful number, since it uses less digits than its factorization.

1522678132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972578 (or 1972576 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 1522678132 is about 39021.5085818065. The cubic root of 1522678132 is about 1150.4542961255.

The spelling of 1522678132 in words is "one billion, five hundred twenty-two million, six hundred seventy-eight thousand, one hundred thirty-two".