1317250701 has 16 divisors (see below), whose sum is σ = 2101597120. Its totient is φ = 810615600.

The previous prime is 1317250699. The next prime is 1317250723. The reversal of 1317250701 is 1070527131.

It is a happy number.

It is not a de Polignac number, because 1317250701 - 2¹ = 1317250699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317250901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876075 + ... + 1876776.

It is an arithmetic number, because the mean of its divisors is an integer number (131349820).

Almost surely, 2^1317250701 is an apocalyptic number.

It is an amenable number.

1317250701 is a deficient number, since it is larger than the sum of its proper divisors (784346419).

1317250701 is a wasteful number, since it uses less digits than its factorization.

1317250701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752873 (or 3752867 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 1317250701 is about 36293.9485451776. The cubic root of 1317250701 is about 1096.1991966270.

Adding to 1317250701 its reverse (1070527131), we get a palindrome (2387777832).

The spelling of 1317250701 in words is "one billion, three hundred seventeen million, two hundred fifty thousand, seven hundred one".