1242212 has 6 divisors (see below), whose sum is σ = 2173878. Its totient is φ = 621104.

The previous prime is 1242193. The next prime is 1242217. The reversal of 1242212 is 2122421.

It can be written as a sum of positive squares in only one way, i.e., 1069156 + 173056 = 1034^2 + 416^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1242217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155273 + ... + 155280.

It is an arithmetic number, because the mean of its divisors is an integer number (362313).

2^1242212 is an apocalyptic number.

It is an amenable number.

1242212 is a deficient number, since it is larger than the sum of its proper divisors (931666).

1242212 is a wasteful number, since it uses less digits than its factorization.

1242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310557 (or 310555 counting only the distinct ones).

The product of its digits is 64, while the sum is 14.

The square root of 1242212 is about 1114.5456473380. The cubic root of 1242212 is about 107.4975517741.

Adding to 1242212 its reverse (2122421), we get a palindrome (3364633).

It can be divided in two parts, 12 and 42212, that added together give a palindrome (42224).

The spelling of 1242212 in words is "one million, two hundred forty-two thousand, two hundred twelve".