1251993032 has 16 divisors (see below), whose sum is σ = 2423212800. Its totient is φ = 605802960.

The previous prime is 1251993023. The next prime is 1251993047. The reversal of 1251993032 is 2303991521.

It is a junction number, because it is equal to n+sod(n) for n = 1251992983 and 1251993001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523932 + ... + 2524427.

It is an arithmetic number, because the mean of its divisors is an integer number (151450800).

Almost surely, 2^1251993032 is an apocalyptic number.

It is an amenable number.

1251993032 is a deficient number, since it is larger than the sum of its proper divisors (1171219768).

1251993032 is a wasteful number, since it uses less digits than its factorization.

1251993032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048396 (or 5048392 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1251993032 is about 35383.5135621097. The cubic root of 1251993032 is about 1077.7895553119.

The spelling of 1251993032 in words is "one billion, two hundred fifty-one million, nine hundred ninety-three thousand, thirty-two".