1248455 has 8 divisors (see below), whose sum is σ = 1613472. Its totient is φ = 921888.

The previous prime is 1248451. The next prime is 1248469. The reversal of 1248455 is 5548421.

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

It is a cyclic number.

It is not a de Polignac number, because 1248455 - 2² = 1248451 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 (1248451) 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, 9539 + ... + 9668.

It is an arithmetic number, because the mean of its divisors is an integer number (201684).

2^1248455 is an apocalyptic number.

1248455 is a deficient number, since it is larger than the sum of its proper divisors (365017).

1248455 is a wasteful number, since it uses less digits than its factorization.

1248455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19225.

The product of its digits is 6400, while the sum is 29.

The square root of 1248455 is about 1117.3428301108. The cubic root of 1248455 is about 107.6773348493.

The spelling of 1248455 in words is "one million, two hundred forty-eight thousand, four hundred fifty-five".