1253270 has 16 divisors (see below), whose sum is σ = 2354400. Its totient is φ = 479424.

The previous prime is 1253261. The next prime is 1253279. The reversal of 1253270 is 723521.

It is an interprime number because it is at equal distance from previous prime (1253261) and next prime (1253279).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253279) 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, 2495 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (147150).

2^1253270 is an apocalyptic number.

1253270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253270 is a deficient number, since it is larger than the sum of its proper divisors (1101130).

1253270 is a wasteful number, since it uses less digits than its factorization.

1253270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1253270 is about 1119.4954220541. The cubic root of 1253270 is about 107.8155860630.

Adding to 1253270 its reverse (723521), we get a palindrome (1976791).

The spelling of 1253270 in words is "one million, two hundred fifty-three thousand, two hundred seventy".