1253330 has 32 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 446400.

The previous prime is 1253327. The next prime is 1253333. The reversal of 1253330 is 333521.

1253330 = 1² + 2² + ... + 155².

It is an interprime number because it is at equal distance from previous prime (1253327) and next prime (1253333).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1253299 and 1253308.

It is not an unprimeable number, because it can be changed into a prime (1253333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3875 + ... + 4185.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

2^1253330 is an apocalyptic number.

1253330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253330 is an abundant number, since it is smaller than the sum of its proper divisors (1262638).

1253330 is a wasteful number, since it uses less digits than its factorization.

1253330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 1253330 is about 1119.5222195205. The cubic root of 1253330 is about 107.8173065840.

Adding to 1253330 its reverse (333521), we get a palindrome (1586851).

The spelling of 1253330 in words is "one million, two hundred fifty-three thousand, three hundred thirty".