1240124 has 24 divisors (see below), whose sum is σ = 2287488. Its totient is φ = 587520.

The previous prime is 1240117. The next prime is 1240139. The reversal of 1240124 is 4210421.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1240099 and 1240108.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8984 + ... + 9120.

It is an arithmetic number, because the mean of its divisors is an integer number (95312).

2^1240124 is an apocalyptic number.

It is an amenable number.

1240124 is a deficient number, since it is larger than the sum of its proper divisors (1047364).

1240124 is a wasteful number, since it uses less digits than its factorization.

1240124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1240124 is about 1113.6085488178. The cubic root of 1240124 is about 107.4372881031.

Adding to 1240124 its reverse (4210421), we get a palindrome (5450545).

The spelling of 1240124 in words is "one million, two hundred forty thousand, one hundred twenty-four".