1249906 has 16 divisors (see below), whose sum is σ = 2173824. Its totient is φ = 527904.

The previous prime is 1249901. The next prime is 1249921. The reversal of 1249906 is 6099421.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 411 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (135864).

2^1249906 is an apocalyptic number.

1249906 is a deficient number, since it is larger than the sum of its proper divisors (923918).

1249906 is a wasteful number, since it uses less digits than its factorization.

1249906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1249906 is about 1117.9919498816. The cubic root of 1249906 is about 107.7190342091.

The spelling of 1249906 in words is "one million, two hundred forty-nine thousand, nine hundred six".