61206 has 12 divisors (see below), whose sum is σ = 123636. Its totient is φ = 20200.

The previous prime is 61169. The next prime is 61211. The reversal of 61206 is 60216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556 + ... + 656.

It is an arithmetic number, because the mean of its divisors is an integer number (10303).

2⁶¹²⁰⁶ is an apocalyptic number.

61206 is an abundant number, since it is smaller than the sum of its proper divisors (62430).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61818).

61206 is a wasteful number, since it uses less digits than its factorization.

61206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 61206 is about 247.3984640211. The cubic root of 61206 is about 39.4092345245.

Subtracting from 61206 its reverse (60216), we obtain a triangular number (990 = T₄₄).

The spelling of 61206 in words is "sixty-one thousand, two hundred six".