1206240 has 96 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 274944.

The previous prime is 1206229. The next prime is 1206259. The reversal of 1206240 is 426021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2^1206240 is an apocalyptic number.

1206240 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 1206240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177280).

1206240 is an abundant number, since it is smaller than the sum of its proper divisors (3148320).

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

1206240 is a wasteful number, since it uses less digits than its factorization.

1206240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1206240 is about 1098.2895793005. The cubic root of 1206240 is about 106.4497327195.

The spelling of 1206240 in words is "one million, two hundred six thousand, two hundred forty".