1246990 has 8 divisors (see below), whose sum is σ = 2244600. Its totient is φ = 498792.

The previous prime is 1246963. The next prime is 1246997. The reversal of 1246990 is 996421.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246997) 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, 62340 + ... + 62359.

It is an arithmetic number, because the mean of its divisors is an integer number (280575).

2^1246990 is an apocalyptic number.

1246990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1246990 is a deficient number, since it is larger than the sum of its proper divisors (997610).

1246990 is a wasteful number, since it uses less digits than its factorization.

1246990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124706.

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

The square root of 1246990 is about 1116.6870644903. The cubic root of 1246990 is about 107.6352003608.

The spelling of 1246990 in words is "one million, two hundred forty-six thousand, nine hundred ninety".