1250255 has 4 divisors (see below), whose sum is σ = 1500312. Its totient is φ = 1000200.

The previous prime is 1250243. The next prime is 1250273. The reversal of 1250255 is 5520521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1250255 - 2⁸ = 1249999 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125021 + ... + 125030.

It is an arithmetic number, because the mean of its divisors is an integer number (375078).

2^1250255 is an apocalyptic number.

1250255 is a deficient number, since it is larger than the sum of its proper divisors (250057).

1250255 is an equidigital number, since it uses as much as digits as its factorization.

1250255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250056.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1250255 is about 1118.1480224013. The cubic root of 1250255 is about 107.7290590815.

Adding to 1250255 its reverse (5520521), we get a palindrome (6770776).

The spelling of 1250255 in words is "one million, two hundred fifty thousand, two hundred fifty-five".