1242984 has 32 divisors (see below), whose sum is σ = 3157920. Its totient is φ = 407616.

The previous prime is 1242979. The next prime is 1242991. The reversal of 1242984 is 4892421.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (98685).

2^1242984 is an apocalyptic number.

It is an amenable number.

1242984 is an abundant number, since it is smaller than the sum of its proper divisors (1914936).

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

1242984 is a wasteful number, since it uses less digits than its factorization.

1242984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 845 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1242984 is about 1114.8919230132. The cubic root of 1242984 is about 107.5198160693.

The spelling of 1242984 in words is "one million, two hundred forty-two thousand, nine hundred eighty-four".