1124725 has 12 divisors (see below), whose sum is σ = 1594144. Its totient is φ = 771120.

The previous prime is 1124719. The next prime is 1124741. The reversal of 1124725 is 5274211.

1124725 = T₁₄ + T₁₅ + ... + T₁₈₈.

It is a happy number.

It is not a de Polignac number, because 1124725 - 2⁷ = 1124597 is a prime.

It is an Ulam number.

It is a Duffinian number.

1124725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1124696 and 1124705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3039 + ... + 3388.

2^1124725 is an apocalyptic number.

It is an amenable number.

1124725 is a deficient number, since it is larger than the sum of its proper divisors (469419).

1124725 is an equidigital number, since it uses as much as digits as its factorization.

1124725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444 (or 6439 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 1124725 is about 1060.5305276134. The cubic root of 1124725 is about 103.9957160464.

Adding to 1124725 its reverse (5274211), we get a palindrome (6398936).

It can be divided in two parts, 1124 and 725, that added together give a square (1849 = 43²).

The spelling of 1124725 in words is "one million, one hundred twenty-four thousand, seven hundred twenty-five".