2001077 has 4 divisors (see below), whose sum is σ = 2155020. Its totient is φ = 1847136.

The previous prime is 2001073. The next prime is 2001079. The reversal of 2001077 is 7701002.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 256036 + 1745041 = 506^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001077 - 2² = 2001073 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 (2001073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76952 + ... + 76977.

It is an arithmetic number, because the mean of its divisors is an integer number (538755).

2^2001077 is an apocalyptic number.

It is an amenable number.

2001077 is a deficient number, since it is larger than the sum of its proper divisors (153943).

2001077 is a wasteful number, since it uses less digits than its factorization.

2001077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153942.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 2001077 is about 1414.5942881265. The cubic root of 2001077 is about 126.0147165140.

Adding to 2001077 its reverse (7701002), we get a palindrome (9702079).

The spelling of 2001077 in words is "two million, one thousand, seventy-seven".