1211020234 has 8 divisors (see below), whose sum is σ = 1834166880. Its totient is φ = 599631276.

The previous prime is 1211020229. The next prime is 1211020259. The reversal of 1211020234 is 4320201121.

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, 2939164 + ... + 2939575.

It is an arithmetic number, because the mean of its divisors is an integer number (229270860).

Almost surely, 2^1211020234 is an apocalyptic number.

1211020234 is a deficient number, since it is larger than the sum of its proper divisors (623146646).

1211020234 is a wasteful number, since it uses less digits than its factorization.

1211020234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878844.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1211020234 is about 34799.7160045883. The cubic root of 1211020234 is about 1065.9016467450.

Adding to 1211020234 its reverse (4320201121), we get a palindrome (5531221355).

The spelling of 1211020234 in words is "one billion, two hundred eleven million, twenty thousand, two hundred thirty-four".