1124540 has 24 divisors (see below), whose sum is σ = 2404080. Its totient is φ = 441728.

The previous prime is 1124531. The next prime is 1124551. The reversal of 1124540 is 454211.

1124540 = T₁₆₅ + T₁₆₆ + ... + T₂₂₃.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (100170).

2^1124540 is an apocalyptic number.

1124540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124540 is an abundant number, since it is smaller than the sum of its proper divisors (1279540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1124540 is a wasteful number, since it uses less digits than its factorization.

1124540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1124540 is about 1060.4433035292. The cubic root of 1124540 is about 103.9900138341.

Adding to 1124540 its reverse (454211), we get a palindrome (1578751).

The spelling of 1124540 in words is "one million, one hundred twenty-four thousand, five hundred forty".