1317642601 has 4 divisors (see below), whose sum is σ = 1437428304. Its totient is φ = 1197856900.

The previous prime is 1317642589. The next prime is 1317642629. The reversal of 1317642601 is 1062467131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1317642601 - 2¹¹ = 1317640553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317640601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59892835 + ... + 59892856.

It is an arithmetic number, because the mean of its divisors is an integer number (359357076).

Almost surely, 2^1317642601 is an apocalyptic number.

1317642601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1317642601 is a deficient number, since it is larger than the sum of its proper divisors (119785703).

1317642601 is a wasteful number, since it uses less digits than its factorization.

1317642601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119785702.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1317642601 is about 36299.3471153408. The cubic root of 1317642601 is about 1096.3078972380.

The spelling of 1317642601 in words is "one billion, three hundred seventeen million, six hundred forty-two thousand, six hundred one".