1313151 has 12 divisors (see below), whose sum is σ = 2036952. Its totient is φ = 750288.

The previous prime is 1313141. The next prime is 1313153. The reversal of 1313151 is 1513131.

It is not a de Polignac number, because 1313151 - 2⁶ = 1313087 is a prime.

1313151 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4320 + ... + 4613.

It is an arithmetic number, because the mean of its divisors is an integer number (169746).

2^1313151 is an apocalyptic number.

1313151 is a deficient number, since it is larger than the sum of its proper divisors (723801).

1313151 is an equidigital number, since it uses as much as digits as its factorization.

1313151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950 (or 8943 counting only the distinct ones).

The product of its digits is 45, while the sum is 15.

The square root of 1313151 is about 1145.9280082099. The cubic root of 1313151 is about 109.5060775176.

Adding to 1313151 its reverse (1513131), we get a palindrome (2826282).

The spelling of 1313151 in words is "one million, three hundred thirteen thousand, one hundred fifty-one".