1122020545 has 8 divisors (see below), whose sum is σ = 1346659200. Its totient is φ = 897460080.

The previous prime is 1122020533. The next prime is 1122020573. The reversal of 1122020545 is 5450202211.

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

It is not a de Polignac number, because 1122020545 - 2²¹ = 1119923393 is a prime.

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, 18906 + ... + 51004.

It is an arithmetic number, because the mean of its divisors is an integer number (168332400).

Almost surely, 2^1122020545 is an apocalyptic number.

It is an amenable number.

1122020545 is a deficient number, since it is larger than the sum of its proper divisors (224638655).

1122020545 is an equidigital number, since it uses as much as digits as its factorization.

1122020545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39095.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1122020545 is about 33496.5751234361. The cubic root of 1122020545 is about 1039.1229492463.

Adding to 1122020545 its reverse (5450202211), we get a palindrome (6572222756).

The spelling of 1122020545 in words is "one billion, one hundred twenty-two million, twenty thousand, five hundred forty-five".