1255629 has 8 divisors (see below), whose sum is σ = 1679392. Its totient is φ = 834480.

The previous prime is 1255619. The next prime is 1255633. The reversal of 1255629 is 9265521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255629 - 2⁹ = 1255117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1255596 and 1255605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (209924).

2^1255629 is an apocalyptic number.

It is an amenable number.

1255629 is a deficient number, since it is larger than the sum of its proper divisors (423763).

1255629 is an equidigital number, since it uses as much as digits as its factorization.

1255629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307.

The product of its digits is 5400, while the sum is 30.

The square root of 1255629 is about 1120.5485263923. The cubic root of 1255629 is about 107.8831898932.

The spelling of 1255629 in words is "one million, two hundred fifty-five thousand, six hundred twenty-nine".