1240606 has 4 divisors (see below), whose sum is σ = 1860912. Its totient is φ = 620302.

The previous prime is 1240559. The next prime is 1240607. The reversal of 1240606 is 6060421.

It is a semiprime because it is the product of two primes.

1240606 is a modest number, since divided by 606 gives 124 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310150 + ... + 310153.

It is an arithmetic number, because the mean of its divisors is an integer number (465228).

2^1240606 is an apocalyptic number.

1240606 is a deficient number, since it is larger than the sum of its proper divisors (620306).

1240606 is an equidigital number, since it uses as much as digits as its factorization.

1240606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620305.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1240606 is about 1113.8249413620. The cubic root of 1240606 is about 107.4512055461.

The spelling of 1240606 in words is "one million, two hundred forty thousand, six hundred six".