1521051332 has 12 divisors (see below), whose sum is σ = 2747705856. Its totient is φ = 735992520.

The previous prime is 1521051299. The next prime is 1521051347. The reversal of 1521051332 is 2331501251.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1521051298 and 1521051307.

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, 6133148 + ... + 6133395.

It is an arithmetic number, because the mean of its divisors is an integer number (228975488).

Almost surely, 2^1521051332 is an apocalyptic number.

It is an amenable number.

1521051332 is a deficient number, since it is larger than the sum of its proper divisors (1226654524).

1521051332 is a wasteful number, since it uses less digits than its factorization.

1521051332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266578 (or 12266576 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1521051332 is about 39000.6580970116. The cubic root of 1521051332 is about 1150.0444423909.

Adding to 1521051332 its reverse (2331501251), we get a palindrome (3852552583).

The spelling of 1521051332 in words is "one billion, five hundred twenty-one million, fifty-one thousand, three hundred thirty-two".