1122420452 has 6 divisors (see below), whose sum is σ = 1964235798. Its totient is φ = 561210224.

The previous prime is 1122420451. The next prime is 1122420463. The reversal of 1122420452 is 2540242211.

It can be written as a sum of positive squares in only one way, i.e., 875804836 + 246615616 = 29594^2 + 15704^2 .

It is not an unprimeable number, because it can be changed into a prime (1122420451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140302553 + ... + 140302560.

It is an arithmetic number, because the mean of its divisors is an integer number (327372633).

Almost surely, 2^1122420452 is an apocalyptic number.

It is an amenable number.

1122420452 is a deficient number, since it is larger than the sum of its proper divisors (841815346).

1122420452 is a wasteful number, since it uses less digits than its factorization.

1122420452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280605117 (or 280605115 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1122420452 is about 33502.5439631082. The cubic root of 1122420452 is about 1039.2463882163.

Adding to 1122420452 its reverse (2540242211), we get a palindrome (3662662663).

The spelling of 1122420452 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, four hundred fifty-two".