1248404 has 6 divisors (see below), whose sum is σ = 2184714. Its totient is φ = 624200.

The previous prime is 1248391. The next prime is 1248407. The reversal of 1248404 is 4048421.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 559504 = 830^2 + 748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1248404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156047 + ... + 156054.

It is an arithmetic number, because the mean of its divisors is an integer number (364119).

2^1248404 is an apocalyptic number.

It is an amenable number.

1248404 is a deficient number, since it is larger than the sum of its proper divisors (936310).

1248404 is a wasteful number, since it uses less digits than its factorization.

1248404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312105 (or 312103 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1248404 is about 1117.3200078760. The cubic root of 1248404 is about 107.6758686053.

The spelling of 1248404 in words is "one million, two hundred forty-eight thousand, four hundred four".