2102700 has 72 divisors (see below), whose sum is σ = 6263488. Its totient is φ = 544320.

The previous prime is 2102693. The next prime is 2102717. The reversal of 2102700 is 72012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12819 + ... + 12981.

2^2102700 is an apocalyptic number.

2102700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3131744).

2102700 is an abundant number, since it is smaller than the sum of its proper divisors (4160788).

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

2102700 is a wasteful number, since it uses less digits than its factorization.

2102700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 2102700 is about 1450.0689638772. The cubic root of 2102700 is about 128.1127749589.

Adding to 2102700 its reverse (72012), we get a palindrome (2174712).

The spelling of 2102700 in words is "two million, one hundred two thousand, seven hundred".