1361375 has 8 divisors (see below), whose sum is σ = 1699152. Its totient is φ = 1089000.

The previous prime is 1361363. The next prime is 1361383. The reversal of 1361375 is 5731631.

It is a happy number.

It is not a de Polignac number, because 1361375 - 2¹⁶ = 1295839 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

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, 5321 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (212394).

2^1361375 is an apocalyptic number.

1361375 is a deficient number, since it is larger than the sum of its proper divisors (337777).

1361375 is an equidigital number, since it uses as much as digits as its factorization.

1361375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906 (or 10896 counting only the distinct ones).

The product of its digits is 1890, while the sum is 26.

The square root of 1361375 is about 1166.7797564236. The cubic root of 1361375 is about 110.8304909416.

The spelling of 1361375 in words is "one million, three hundred sixty-one thousand, three hundred seventy-five".