1945079 has 4 divisors (see below), whose sum is σ = 1957176. Its totient is φ = 1932984.

The previous prime is 1945061. The next prime is 1945091. The reversal of 1945079 is 9705491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9705491 = 137 ⋅70843.

It is a cyclic number.

It is not a de Polignac number, because 1945079 - 2⁸ = 1944823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5804 + ... + 6129.

It is an arithmetic number, because the mean of its divisors is an integer number (489294).

2^1945079 is an apocalyptic number.

1945079 is a deficient number, since it is larger than the sum of its proper divisors (12097).

1945079 is a wasteful number, since it uses less digits than its factorization.

1945079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12096.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1945079 is about 1394.6608906827. The cubic root of 1945079 is about 124.8281157548.

The spelling of 1945079 in words is "one million, nine hundred forty-five thousand, seventy-nine".