1245053 has 4 divisors (see below), whose sum is σ = 1285248. Its totient is φ = 1204860.

The previous prime is 1245037. The next prime is 1245067. The reversal of 1245053 is 3505421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1245053 - 2⁴ = 1245037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20051 + ... + 20112.

It is an arithmetic number, because the mean of its divisors is an integer number (321312).

2^1245053 is an apocalyptic number.

It is an amenable number.

1245053 is a deficient number, since it is larger than the sum of its proper divisors (40195).

1245053 is an equidigital number, since it uses as much as digits as its factorization.

1245053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40194.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1245053 is about 1115.8194298362. The cubic root of 1245053 is about 107.5794401093.

The spelling of 1245053 in words is "one million, two hundred forty-five thousand, fifty-three".