1375801 has 4 divisors (see below), whose sum is σ = 1572352. Its totient is φ = 1179252.

The previous prime is 1375799. The next prime is 1375807. The reversal of 1375801 is 1085731.

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 1375801 - 2¹ = 1375799 is a prime.

It is an Ulam number.

It is a Duffinian number.

1375801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1375807) 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, 98265 + ... + 98278.

It is an arithmetic number, because the mean of its divisors is an integer number (393088).

2^1375801 is an apocalyptic number.

It is an amenable number.

1375801 is a deficient number, since it is larger than the sum of its proper divisors (196551).

1375801 is an equidigital number, since it uses as much as digits as its factorization.

1375801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196550.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1375801 is about 1172.9454377762. The cubic root of 1375801 is about 111.2205931618.

The spelling of 1375801 in words is "one million, three hundred seventy-five thousand, eight hundred one".