1201144022 has 16 divisors (see below), whose sum is σ = 1941619680. Its totient is φ = 553999872.

The previous prime is 1201144003. The next prime is 1201144031. The reversal of 1201144022 is 2204411021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25718 + ... + 55350.

It is an arithmetic number, because the mean of its divisors is an integer number (121351230).

Almost surely, 2^1201144022 is an apocalyptic number.

1201144022 is a deficient number, since it is larger than the sum of its proper divisors (740475658).

1201144022 is a wasteful number, since it uses less digits than its factorization.

1201144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31207.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1201144022 is about 34657.5247529306. The cubic root of 1201144022 is about 1062.9961576978.

Adding to 1201144022 its reverse (2204411021), we get a palindrome (3405555043).

The spelling of 1201144022 in words is "one billion, two hundred one million, one hundred forty-four thousand, twenty-two".