1004121142 has 8 divisors (see below), whose sum is σ = 1506994056. Its totient is φ = 501789792.

The previous prime is 1004121109. The next prime is 1004121163. The reversal of 1004121142 is 2411214001.

It is a happy number.

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

It is a super-2 number, since 2×1004121142² = 2016518535622768328, which contains 22 as substring.

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, 130723 + ... + 138190.

It is an arithmetic number, because the mean of its divisors is an integer number (188374257).

Almost surely, 2^1004121142 is an apocalyptic number.

1004121142 is a deficient number, since it is larger than the sum of its proper divisors (502872914).

1004121142 is a wasteful number, since it uses less digits than its factorization.

1004121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270782.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1004121142 is about 31687.8705816595. The cubic root of 1004121142 is about 1001.3718312185.

Adding to 1004121142 its reverse (2411214001), we get a palindrome (3415335143).

The spelling of 1004121142 in words is "one billion, four million, one hundred twenty-one thousand, one hundred forty-two".