1122255651 has 8 divisors (see below), whose sum is σ = 1632371904. Its totient is φ = 680154920.

The previous prime is 1122255643. The next prime is 1122255661. The reversal of 1122255651 is 1565522211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122255651 - 2³ = 1122255643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122255661) 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, 17003841 + ... + 17003906.

It is an arithmetic number, because the mean of its divisors is an integer number (204046488).

Almost surely, 2^1122255651 is an apocalyptic number.

1122255651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122255651 is a deficient number, since it is larger than the sum of its proper divisors (510116253).

1122255651 is a wasteful number, since it uses less digits than its factorization.

1122255651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34007761.

The product of its digits is 6000, while the sum is 30.

The square root of 1122255651 is about 33500.0843431774. The cubic root of 1122255651 is about 1039.1955227773.

Adding to 1122255651 its reverse (1565522211), we get a palindrome (2687777862).

The spelling of 1122255651 in words is "one billion, one hundred twenty-two million, two hundred fifty-five thousand, six hundred fifty-one".