1212084 has 72 divisors (see below), whose sum is σ = 3363360. Its totient is φ = 381024.

The previous prime is 1212061. The next prime is 1212103. The reversal of 1212084 is 4802121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28167 + ... + 28209.

2^1212084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681680).

1212084 is an abundant number, since it is smaller than the sum of its proper divisors (2151276).

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

1212084 is a wasteful number, since it uses less digits than its factorization.

1212084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1212084 is about 1100.9468652029. The cubic root of 1212084 is about 106.6213653118.

The spelling of 1212084 in words is "one million, two hundred twelve thousand, eighty-four".