1212072 has 16 divisors (see below), whose sum is σ = 3030240. Its totient is φ = 404016.

The previous prime is 1212061. The next prime is 1212103. The reversal of 1212072 is 2702121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25228 + ... + 25275.

It is an arithmetic number, because the mean of its divisors is an integer number (189390).

2^1212072 is an apocalyptic number.

1212072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212072 is an abundant number, since it is smaller than the sum of its proper divisors (1818168).

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

1212072 is a wasteful number, since it uses less digits than its factorization.

1212072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50512 (or 50508 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1212072 is about 1100.9414153351. The cubic root of 1212072 is about 106.6210134494.

Adding to 1212072 its reverse (2702121), we get a palindrome (3914193).

The spelling of 1212072 in words is "one million, two hundred twelve thousand, seventy-two".