1211242 has 8 divisors (see below), whose sum is σ = 1821600. Its totient is φ = 604044.

The previous prime is 1211227. The next prime is 1211261. The reversal of 1211242 is 2421121.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859 + ... + 1777.

It is an arithmetic number, because the mean of its divisors is an integer number (227700).

2^1211242 is an apocalyptic number.

1211242 is a deficient number, since it is larger than the sum of its proper divisors (610358).

1211242 is an equidigital number, since it uses as much as digits as its factorization.

1211242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

The product of its digits is 32, while the sum is 13.

The square root of 1211242 is about 1100.5644006600. The cubic root of 1211242 is about 106.5966706576.

Adding to 1211242 its reverse (2421121), we get a palindrome (3632363).

The spelling of 1211242 in words is "one million, two hundred eleven thousand, two hundred forty-two".