1022100 has 36 divisors (see below), whose sum is σ = 2958144. Its totient is φ = 272480.

The previous prime is 1022083. The next prime is 1022113. The reversal of 1022100 is 12201.

It is a happy number.

1022100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1404 + ... + 2003.

2^1022100 is an apocalyptic number.

1022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022100 is an abundant number, since it is smaller than the sum of its proper divisors (1936044).

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

1022100 is a wasteful number, since it uses less digits than its factorization.

1022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1022100 is about 1010.9896141900. The cubic root of 1022100 is about 100.7313055516.

Adding to 1022100 its reverse (12201), we get a palindrome (1034301).

The spelling of 1022100 in words is "one million, twenty-two thousand, one hundred".