1252738038 has 8 divisors (see below), whose sum is σ = 2505476088. Its totient is φ = 417579344.

The previous prime is 1252738013. The next prime is 1252738043. The reversal of 1252738038 is 8308372521.

It is a sphenic number, since it is the product of 3 distinct primes.

1252738038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1252737987 and 1252738005.

It is a congruent number.

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, 104394831 + ... + 104394842.

It is an arithmetic number, because the mean of its divisors is an integer number (313184511).

Almost surely, 2^1252738038 is an apocalyptic number.

1252738038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252738038 is a wasteful number, since it uses less digits than its factorization.

1252738038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208789678.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1252738038 is about 35394.0395829580. The cubic root of 1252738038 is about 1078.0032946456.

The spelling of 1252738038 in words is "one billion, two hundred fifty-two million, seven hundred thirty-eight thousand, thirty-eight".