1240031 has 16 divisors (see below), whose sum is σ = 1467648. Its totient is φ = 1036800.

The previous prime is 1240027. The next prime is 1240039. The reversal of 1240031 is 1300421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1240031 - 2² = 1240027 is a prime.

It is a super-2 number, since 2×1240031² = 3075353761922, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1239994 and 1240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6761 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

2^1240031 is an apocalyptic number.

1240031 is a deficient number, since it is larger than the sum of its proper divisors (227617).

1240031 is a wasteful number, since it uses less digits than its factorization.

1240031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1240031 is about 1113.5667918899. The cubic root of 1240031 is about 107.4346023723.

Adding to 1240031 its reverse (1300421), we get a palindrome (2540452).

It can be divided in two parts, 12400 and 31, that multiplied together give a square (384400 = 620²).

The spelling of 1240031 in words is "one million, two hundred forty thousand, thirty-one".