1201121322 has 64 divisors (see below), whose sum is σ = 2533386240. Its totient is φ = 379209600.

The previous prime is 1201121239. The next prime is 1201121329. The reversal of 1201121322 is 2231211021.

It is not an unprimeable number, because it can be changed into a prime (1201121329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2866429 + ... + 2866847.

It is an arithmetic number, because the mean of its divisors is an integer number (39584160).

Almost surely, 2^1201121322 is an apocalyptic number.

1201121322 is an abundant number, since it is smaller than the sum of its proper divisors (1332264918).

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

1201121322 is a wasteful number, since it uses less digits than its factorization.

1201121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201121322 is about 34657.1972611751. The cubic root of 1201121322 is about 1062.9894612583.

Adding to 1201121322 its reverse (2231211021), we get a palindrome (3432332343).

It can be divided in two parts, 12011 and 21322, that added together give a palindrome (33333).

The spelling of 1201121322 in words is "one billion, two hundred one million, one hundred twenty-one thousand, three hundred twenty-two".