1249904 has 20 divisors (see below), whose sum is σ = 2440320. Its totient is φ = 620160.

The previous prime is 1249901. The next prime is 1249921. The reversal of 1249904 is 4099421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249901) 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, 2852 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (122016).

2^1249904 is an apocalyptic number.

It is an amenable number.

1249904 is a deficient number, since it is larger than the sum of its proper divisors (1190416).

1249904 is a wasteful number, since it uses less digits than its factorization.

1249904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1249904 is about 1117.9910554204. The cubic root of 1249904 is about 107.7189767546.

The spelling of 1249904 in words is "one million, two hundred forty-nine thousand, nine hundred four".