1122621393 has 16 divisors (see below), whose sum is σ = 1507619520. Its totient is φ = 743031744.

The previous prime is 1122621391. The next prime is 1122621431. The reversal of 1122621393 is 3931262211.

It is not a de Polignac number, because 1122621393 - 2¹ = 1122621391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122621393.

It is not an unprimeable number, because it can be changed into a prime (1122621391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566278 + ... + 568256.

It is an arithmetic number, because the mean of its divisors is an integer number (94226220).

Almost surely, 2^1122621393 is an apocalyptic number.

It is an amenable number.

1122621393 is a deficient number, since it is larger than the sum of its proper divisors (384998127).

1122621393 is a wasteful number, since it uses less digits than its factorization.

1122621393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its digits is 3888, while the sum is 30.

The square root of 1122621393 is about 33505.5427205709. The cubic root of 1122621393 is about 1039.3084014448.

The spelling of 1122621393 in words is "one billion, one hundred twenty-two million, six hundred twenty-one thousand, three hundred ninety-three".