1240986 has 16 divisors (see below), whose sum is σ = 2506464. Its totient is φ = 409584.

The previous prime is 1240979. The next prime is 1240991. The reversal of 1240986 is 6890421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (156654).

2^1240986 is an apocalyptic number.

1240986 is an abundant number, since it is smaller than the sum of its proper divisors (1265478).

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

1240986 is a wasteful number, since it uses less digits than its factorization.

1240986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1240986 is about 1113.9955116606. The cubic root of 1240986 is about 107.4621752630.

The spelling of 1240986 in words is "one million, two hundred forty thousand, nine hundred eighty-six".