1004252141 has 4 divisors (see below), whose sum is σ = 1004327712. Its totient is φ = 1004176572.

The previous prime is 1004252129. The next prime is 1004252153. The reversal of 1004252141 is 1412524001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1004252129) and next prime (1004252153).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004252141 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 (1004252941) 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, 11975 + ... + 46388.

It is an arithmetic number, because the mean of its divisors is an integer number (251081928).

Almost surely, 2^1004252141 is an apocalyptic number.

It is an amenable number.

1004252141 is a deficient number, since it is larger than the sum of its proper divisors (75571).

1004252141 is an equidigital number, since it uses as much as digits as its factorization.

1004252141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75570.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1004252141 is about 31689.9375354386. The cubic root of 1004252141 is about 1001.4153760987.

Adding to 1004252141 its reverse (1412524001), we get a palindrome (2416776142).

The spelling of 1004252141 in words is "one billion, four million, two hundred fifty-two thousand, one hundred forty-one".