1240053 has 8 divisors (see below), whose sum is σ = 1660416. Its totient is φ = 823200.

The previous prime is 1240039. The next prime is 1240081. The reversal of 1240053 is 3500421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1240053 - 2⁵ = 1240021 is a prime.

1240053 is a lucky number.

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (207552).

2^1240053 is an apocalyptic number.

It is an amenable number.

1240053 is a deficient number, since it is larger than the sum of its proper divisors (420363).

1240053 is a wasteful number, since it uses less digits than its factorization.

1240053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1240053 is about 1113.5766700142. The cubic root of 1240053 is about 107.4352377186.

Adding to 1240053 its reverse (3500421), we get a palindrome (4740474).

The spelling of 1240053 in words is "one million, two hundred forty thousand, fifty-three".