1421122245 has 8 divisors (see below), whose sum is σ = 2273795616. Its totient is φ = 757931856.

The previous prime is 1421122223. The next prime is 1421122249. The reversal of 1421122245 is 5422211241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1421122245 - 2¹³ = 1421114053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421122249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47370727 + ... + 47370756.

It is an arithmetic number, because the mean of its divisors is an integer number (284224452).

Almost surely, 2^1421122245 is an apocalyptic number.

1421122245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421122245 is a deficient number, since it is larger than the sum of its proper divisors (852673371).

1421122245 is an equidigital number, since it uses as much as digits as its factorization.

1421122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94741491.

The product of its digits is 1280, while the sum is 24.

The square root of 1421122245 is about 37697.7750669718. The cubic root of 1421122245 is about 1124.2868883173.

Adding to 1421122245 its reverse (5422211241), we get a palindrome (6843333486).

The spelling of 1421122245 in words is "one billion, four hundred twenty-one million, one hundred twenty-two thousand, two hundred forty-five".