1206100 has 36 divisors (see below), whose sum is σ = 2992864. Its totient is φ = 413280.

The previous prime is 1206071. The next prime is 1206113. The reversal of 1206100 is 16021.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 162 + ... + 1561.

2^1206100 is an apocalyptic number.

1206100 is a gapful number since it is divisible by the number (10) 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 1206100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496432).

1206100 is an abundant number, since it is smaller than the sum of its proper divisors (1786764).

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

1206100 is a wasteful number, since it uses less digits than its factorization.

1206100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1206100 is about 1098.2258419833. The cubic root of 1206100 is about 106.4456142635.

The spelling of 1206100 in words is "one million, two hundred six thousand, one hundred".