1245378 has 8 divisors (see below), whose sum is σ = 2490768. Its totient is φ = 415124.

The previous prime is 1245353. The next prime is 1245379. The reversal of 1245378 is 8735421.

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

1245378 is an admirable number.

It is a d-powerful number, because it can be written as 1 + 2⁹ + 4¹⁰ + 5⁷ + 3 + 7⁶ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (1245379) 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, 103776 + ... + 103787.

It is an arithmetic number, because the mean of its divisors is an integer number (311346).

2^1245378 is an apocalyptic number.

1245378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245378 is a wasteful number, since it uses less digits than its factorization.

1245378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207568.

The product of its digits is 6720, while the sum is 30.

The square root of 1245378 is about 1115.9650532163. The cubic root of 1245378 is about 107.5887998919.

The spelling of 1245378 in words is "one million, two hundred forty-five thousand, three hundred seventy-eight".