1002604144 has 20 divisors (see below), whose sum is σ = 1965952296. Its totient is φ = 495261632.

The previous prime is 1002604123. The next prime is 1002604171. The reversal of 1002604144 is 4414062001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376159 + ... + 378814.

Almost surely, 2^1002604144 is an apocalyptic number.

It is an amenable number.

1002604144 is a deficient number, since it is larger than the sum of its proper divisors (963348152).

1002604144 is an equidigital number, since it uses as much as digits as its factorization.

1002604144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755064 (or 755058 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1002604144 is about 31663.9249620132. The cubic root of 1002604144 is about 1000.8672955809.

Adding to 1002604144 its reverse (4414062001), we get a palindrome (5416666145).

The spelling of 1002604144 in words is "one billion, two million, six hundred four thousand, one hundred forty-four".