1000022103 has 12 divisors (see below), whose sum is σ = 1479708048. Its totient is φ = 650420640.

The previous prime is 1000022081. The next prime is 1000022173. The reversal of 1000022103 is 3012200001.

It is a happy number.

It is not a de Polignac number, because 1000022103 - 2⁵ = 1000022071 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 (1000022173) 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, 1354675 + ... + 1355412.

It is an arithmetic number, because the mean of its divisors is an integer number (123309004).

Almost surely, 2^1000022103 is an apocalyptic number.

1000022103 is a deficient number, since it is larger than the sum of its proper divisors (479685945).

1000022103 is a wasteful number, since it uses less digits than its factorization.

1000022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710134 (or 2710131 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1000022103 is about 31623.1260788683. The cubic root of 1000022103 is about 1000.0073676124.

Adding to 1000022103 its reverse (3012200001), we get a palindrome (4012222104).

The spelling of 1000022103 in words is "one billion, twenty-two thousand, one hundred three".