1000002141 has 12 divisors (see below), whose sum is σ = 1451782332. Its totient is φ = 663282816.

The previous prime is 1000002139. The next prime is 1000002149. The reversal of 1000002141 is 1412000001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 994140900 + 5861241 = 31530^2 + 2421^2 .

It is not a de Polignac number, because 1000002141 - 2¹ = 1000002139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000002149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280236 + ... + 283781.

It is an arithmetic number, because the mean of its divisors is an integer number (120981861).

Almost surely, 2^1000002141 is an apocalyptic number.

It is an amenable number.

1000002141 is a deficient number, since it is larger than the sum of its proper divisors (451780191).

1000002141 is a wasteful number, since it uses less digits than its factorization.

1000002141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564220 (or 564217 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1000002141 is about 31622.8104538480. The cubic root of 1000002141 is about 1000.0007136662. Note that the first 3 decimals are identical.

Adding to 1000002141 its reverse (1412000001), we get a palindrome (2412002142).

The spelling of 1000002141 in words is "one billion, two thousand, one hundred forty-one".