1375061 has 4 divisors (see below), whose sum is σ = 1391712. Its totient is φ = 1358412.

The previous prime is 1375051. The next prime is 1375063. The reversal of 1375061 is 1605731.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1605731 = 199 ⋅8069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375061 is a prime.

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 (1375063) 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 3 ways as a sum of consecutive naturals, for example, 8201 + ... + 8366.

It is an arithmetic number, because the mean of its divisors is an integer number (347928).

2^1375061 is an apocalyptic number.

It is an amenable number.

1375061 is a deficient number, since it is larger than the sum of its proper divisors (16651).

1375061 is an equidigital number, since it uses as much as digits as its factorization.

1375061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1375061 is about 1172.6299501548. The cubic root of 1375061 is about 111.2006489015.

The spelling of 1375061 in words is "one million, three hundred seventy-five thousand, sixty-one".