1205652 has 48 divisors (see below), whose sum is σ = 3325952. Its totient is φ = 332640.

The previous prime is 1205647. The next prime is 1205653. The reversal of 1205652 is 2565021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2373 + ... + 2835.

2^1205652 is an apocalyptic number.

1205652 is a gapful number since it is divisible by the number (12) 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 1205652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662976).

1205652 is an abundant number, since it is smaller than the sum of its proper divisors (2120300).

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

1205652 is a wasteful number, since it uses less digits than its factorization.

1205652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1205652 is about 1098.0218577059. The cubic root of 1205652 is about 106.4324330622.

The spelling of 1205652 in words is "one million, two hundred five thousand, six hundred fifty-two".