1122521371 has 4 divisors (see below), whose sum is σ = 1171326672. Its totient is φ = 1073716072.

The previous prime is 1122521353. The next prime is 1122521381. The reversal of 1122521371 is 1731252211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122521371 - 2⁹ = 1122520859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122521341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24402616 + ... + 24402661.

It is an arithmetic number, because the mean of its divisors is an integer number (292831668).

Almost surely, 2^1122521371 is an apocalyptic number.

1122521371 is a deficient number, since it is larger than the sum of its proper divisors (48805301).

1122521371 is an equidigital number, since it uses as much as digits as its factorization.

1122521371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48805300.

The product of its digits is 840, while the sum is 25.

The square root of 1122521371 is about 33504.0500686111. The cubic root of 1122521371 is about 1039.2775341690.

Adding to 1122521371 its reverse (1731252211), we get a palindrome (2853773582).

The spelling of 1122521371 in words is "one billion, one hundred twenty-two million, five hundred twenty-one thousand, three hundred seventy-one".