1240061 has 4 divisors (see below), whose sum is σ = 1242300. Its totient is φ = 1237824.

The previous prime is 1240039. The next prime is 1240081. The reversal of 1240061 is 1600421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 902500 + 337561 = 950^2 + 581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (310575).

2^1240061 is an apocalyptic number.

It is an amenable number.

1240061 is a deficient number, since it is larger than the sum of its proper divisors (2239).

1240061 is a wasteful number, since it uses less digits than its factorization.

1240061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1240061 is about 1113.5802620377. The cubic root of 1240061 is about 107.4354687518.

Adding to 1240061 its reverse (1600421), we get a palindrome (2840482).

The spelling of 1240061 in words is "one million, two hundred forty thousand, sixty-one".