1004061381 has 8 divisors (see below), whose sum is σ = 1338925440. Its totient is φ = 669285792.

The previous prime is 1004061371. The next prime is 1004061391. The reversal of 1004061381 is 1831604001.

It is an interprime number because it is at equal distance from previous prime (1004061371) and next prime (1004061391).

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

It is not a de Polignac number, because 1004061381 - 2⁵ = 1004061349 is a prime.

It is a super-2 number, since 2×1004061381² = 2016278513631254322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004061371) 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, 11796 + ... + 46338.

It is an arithmetic number, because the mean of its divisors is an integer number (167365680).

Almost surely, 2^1004061381 is an apocalyptic number.

It is an amenable number.

1004061381 is a deficient number, since it is larger than the sum of its proper divisors (334864059).

1004061381 is an equidigital number, since it uses as much as digits as its factorization.

1004061381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44235.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1004061381 is about 31686.9276042976. The cubic root of 1004061381 is about 1001.3519650335.

Adding to 1004061381 its reverse (1831604001), we get a palindrome (2835665382).

The spelling of 1004061381 in words is "one billion, four million, sixty-one thousand, three hundred eighty-one".