1245478 has 8 divisors (see below), whose sum is σ = 2011968. Its totient is φ = 574824.

The previous prime is 1245451. The next prime is 1245479. The reversal of 1245478 is 8745421.

1245478 is nontrivially palindromic in base 5.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23926 + ... + 23977.

It is an arithmetic number, because the mean of its divisors is an integer number (251496).

2^1245478 is an apocalyptic number.

1245478 is a deficient number, since it is larger than the sum of its proper divisors (766490).

1245478 is a wasteful number, since it uses less digits than its factorization.

1245478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47918.

The product of its digits is 8960, while the sum is 31.

The square root of 1245478 is about 1116.0098565873. The cubic root of 1245478 is about 107.5916794974.

The spelling of 1245478 in words is "one million, two hundred forty-five thousand, four hundred seventy-eight".