1251023332 has 24 divisors (see below), whose sum is σ = 2368106496. Its totient is φ = 574846368.

The previous prime is 1251023329. The next prime is 1251023341. The reversal of 1251023332 is 2333201521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41188 + ... + 64795.

It is an arithmetic number, because the mean of its divisors is an integer number (98671104).

Almost surely, 2^1251023332 is an apocalyptic number.

It is an amenable number.

1251023332 is a deficient number, since it is larger than the sum of its proper divisors (1117083164).

1251023332 is a wasteful number, since it uses less digits than its factorization.

1251023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106227 (or 106225 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1251023332 is about 35369.8081985187. The cubic root of 1251023332 is about 1077.5112250954.

Adding to 1251023332 its reverse (2333201521), we get a palindrome (3584224853).

The spelling of 1251023332 in words is "one billion, two hundred fifty-one million, twenty-three thousand, three hundred thirty-two".