1143625 has 16 divisors (see below), whose sum is σ = 1632384. Its totient is φ = 783600.

The previous prime is 1143619. The next prime is 1143643. The reversal of 1143625 is 5263411.

It is not a de Polignac number, because 1143625 - 2⁹ = 1143113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143596 and 1143605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222 + ... + 1528.

It is an arithmetic number, because the mean of its divisors is an integer number (102024).

2^1143625 is an apocalyptic number.

It is an amenable number.

1143625 is a deficient number, since it is larger than the sum of its proper divisors (488759).

1143625 is an equidigital number, since it uses as much as digits as its factorization.

1143625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1319 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1143625 is about 1069.4040396408. The cubic root of 1143625 is about 104.5750016731.

The spelling of 1143625 in words is "one million, one hundred forty-three thousand, six hundred twenty-five".