2131004 has 6 divisors (see below), whose sum is σ = 3729264. Its totient is φ = 1065500.

The previous prime is 2130979. The next prime is 2131013. The reversal of 2131004 is 4001312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266372 + ... + 266379.

It is an arithmetic number, because the mean of its divisors is an integer number (621544).

2^2131004 is an apocalyptic number.

It is an amenable number.

2131004 is a deficient number, since it is larger than the sum of its proper divisors (1598260).

2131004 is a wasteful number, since it uses less digits than its factorization.

2131004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532755 (or 532753 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2131004 is about 1459.7958761416. The cubic root of 2131004 is about 128.6850478302.

Adding to 2131004 its reverse (4001312), we get a palindrome (6132316).

The spelling of 2131004 in words is "two million, one hundred thirty-one thousand, four".