1240022 has 16 divisors (see below), whose sum is σ = 2218752. Its totient is φ = 508200.

The previous prime is 1240021. The next prime is 1240027. The reversal of 1240022 is 2200421.

1240022 is nontrivially palindromic in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 1239985 and 1240012.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604 + ... + 2247.

It is an arithmetic number, because the mean of its divisors is an integer number (138672).

2^1240022 is an apocalyptic number.

1240022 is a deficient number, since it is larger than the sum of its proper divisors (978730).

1240022 is a wasteful number, since it uses less digits than its factorization.

1240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1240022 is about 1113.5627508138. The cubic root of 1240022 is about 107.4343424558.

Adding to 1240022 its reverse (2200421), we get a palindrome (3440443).

It can be divided in two parts, 124002 and 2, that multiplied together give a square (248004 = 498²).

The spelling of 1240022 in words is "one million, two hundred forty thousand, twenty-two".