1240611 has 4 divisors (see below), whose sum is σ = 1654152. Its totient is φ = 827072.

The previous prime is 1240607. The next prime is 1240621. The reversal of 1240611 is 1160421.

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

It is a cyclic number.

It is not a de Polignac number, because 1240611 - 2² = 1240607 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1240621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206766 + ... + 206771.

It is an arithmetic number, because the mean of its divisors is an integer number (413538).

2^1240611 is an apocalyptic number.

1240611 is a deficient number, since it is larger than the sum of its proper divisors (413541).

1240611 is an equidigital number, since it uses as much as digits as its factorization.

1240611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413540.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1240611 is about 1113.8271858776. The cubic root of 1240611 is about 107.4513498990.

The spelling of 1240611 in words is "one million, two hundred forty thousand, six hundred eleven".