1022253 has 8 divisors (see below), whose sum is σ = 1396416. Its totient is φ = 664800.

The previous prime is 1022251. The next prime is 1022291. The reversal of 1022253 is 3522201.

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

It is not a de Polignac number, because 1022253 - 2¹ = 1022251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022251) 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, 4033 + ... + 4278.

It is an arithmetic number, because the mean of its divisors is an integer number (174552).

2^1022253 is an apocalyptic number.

It is an amenable number.

1022253 is a deficient number, since it is larger than the sum of its proper divisors (374163).

1022253 is an equidigital number, since it uses as much as digits as its factorization.

1022253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1022253 is about 1011.0652797916. The cubic root of 1022253 is about 100.7363315180.

Adding to 1022253 its reverse (3522201), we get a palindrome (4544454).

It can be divided in two parts, 1022 and 253, that added together give a triangular number (1275 = T₅₀).

The spelling of 1022253 in words is "one million, twenty-two thousand, two hundred fifty-three".