1122420353 has 4 divisors (see below), whose sum is σ = 1123808580. Its totient is φ = 1121032128.

The previous prime is 1122420347. The next prime is 1122420407. The reversal of 1122420353 is 3530242211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3530242211 = 31 ⋅113878781.

It can be written as a sum of positive squares in 2 ways, for example, as 802475584 + 319944769 = 28328^2 + 17887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122420353 - 2⁸ = 1122420097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122420323) 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, 692900 + ... + 694517.

It is an arithmetic number, because the mean of its divisors is an integer number (280952145).

Almost surely, 2^1122420353 is an apocalyptic number.

It is an amenable number.

1122420353 is a deficient number, since it is larger than the sum of its proper divisors (1388227).

1122420353 is an equidigital number, since it uses as much as digits as its factorization.

1122420353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388226.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1122420353 is about 33502.5424856085. The cubic root of 1122420353 is about 1039.2463576616.

Adding to 1122420353 its reverse (3530242211), we get a palindrome (4652662564).

The spelling of 1122420353 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, three hundred fifty-three".