1252140317 has 8 divisors (see below), whose sum is σ = 1281498624. Its totient is φ = 1222994448.

The previous prime is 1252140277. The next prime is 1252140341. The reversal of 1252140317 is 7130412521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252140317 - 2⁸ = 1252140061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252140367) by changing a digit.

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, 41153 + ... + 64790.

It is an arithmetic number, because the mean of its divisors is an integer number (160187328).

Almost surely, 2^1252140317 is an apocalyptic number.

It is an amenable number.

1252140317 is a deficient number, since it is larger than the sum of its proper divisors (29358307).

1252140317 is a wasteful number, since it uses less digits than its factorization.

1252140317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106219.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1252140317 is about 35385.5947667974. The cubic root of 1252140317 is about 1077.8318175307.

Adding to 1252140317 its reverse (7130412521), we get a palindrome (8382552838).

The spelling of 1252140317 in words is "one billion, two hundred fifty-two million, one hundred forty thousand, three hundred seventeen".