1050002100 has 108 divisors (see below), whose sum is σ = 3761363424. Its totient is φ = 239999040.

The previous prime is 1050002077. The next prime is 1050002117. The reversal of 1050002100 is 12000501.

It is a happy number.

It is a super-2 number, since 2×1050002100² = 2205008820008820000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77034 + ... + 89633.

Almost surely, 2^1050002100 is an apocalyptic number.

1050002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050002100 is an abundant number, since it is smaller than the sum of its proper divisors (2711361324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1050002100 is a wasteful number, since it uses less digits than its factorization.

1050002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166694 (or 166684 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 1050002100 is about 32403.7358957266. The cubic root of 1050002100 is about 1016.3970344120.

Adding to 1050002100 its reverse (12000501), we get a palindrome (1062002601).

The spelling of 1050002100 in words is "one billion, fifty million, two thousand, one hundred".