1940107 has 4 divisors (see below), whose sum is σ = 2089360. Its totient is φ = 1790856.

The previous prime is 1940087. The next prime is 1940123. The reversal of 1940107 is 7010491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1940107 - 2¹⁹ = 1415819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940137) 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, 74607 + ... + 74632.

It is an arithmetic number, because the mean of its divisors is an integer number (522340).

2^1940107 is an apocalyptic number.

1940107 is a deficient number, since it is larger than the sum of its proper divisors (149253).

1940107 is a wasteful number, since it uses less digits than its factorization.

1940107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149252.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1940107 is about 1392.8772379503. The cubic root of 1940107 is about 124.7216633564.

Adding to 1940107 its reverse (7010491), we get a palindrome (8950598).

The spelling of 1940107 in words is "one million, nine hundred forty thousand, one hundred seven".