1950001 has 8 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 1884960.

The previous prime is 1949999. The next prime is 1950017. The reversal of 1950001 is 1000591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1950001 - 2¹ = 1949999 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 (1950061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8040 + ... + 8278.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^1950001 is an apocalyptic number.

1950001 is the 625-th centered decagonal number.

It is an amenable number.

1950001 is a deficient number, since it is larger than the sum of its proper divisors (65999).

1950001 is a wasteful number, since it uses less digits than its factorization.

1950001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1950001 is about 1396.4243624343. The cubic root of 1950001 is about 124.9333191023.

Adding to 1950001 its reverse (1000591), we get a palindrome (2950592).

The spelling of 1950001 in words is "one million, nine hundred fifty thousand, one".