1373131 has 8 divisors (see below), whose sum is σ = 1424304. Its totient is φ = 1322880.

The previous prime is 1373129. The next prime is 1373137. The reversal of 1373131 is 1313731.

It is a happy number.

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 1373131 - 2¹ = 1373129 is a prime.

It is a super-2 number, since 2×1373131² = 3770977486322, which contains 22 as substring.

It is a Duffinian number.

1373131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1373099 and 1373108.

It is not an unprimeable number, because it can be changed into a prime (1373137) 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, 4231 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (178038).

2^1373131 is an apocalyptic number.

1373131 is a deficient number, since it is larger than the sum of its proper divisors (51173).

1373131 is a wasteful number, since it uses less digits than its factorization.

1373131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 189, while the sum is 19.

The square root of 1373131 is about 1171.8067246778. The cubic root of 1373131 is about 111.1485984250.

Adding to 1373131 its reverse (1313731), we get a palindrome (2686862).

The spelling of 1373131 in words is "one million, three hundred seventy-three thousand, one hundred thirty-one".