1122147938 has 6 divisors (see below), whose sum is σ = 1683292971. Its totient is φ = 561050282.

The previous prime is 1122147919. The next prime is 1122147947. The reversal of 1122147938 is 8397412211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 561073969 + 561073969 = 23687^2 + 23687^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23687.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35531 + ... + 59217.

Almost surely, 2^1122147938 is an apocalyptic number.

1122147938 is a deficient number, since it is larger than the sum of its proper divisors (561145033).

1122147938 is an frugal number, since it uses more digits than its factorization.

1122147938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47376 (or 23689 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 1122147938 is about 33498.4766519315. The cubic root of 1122147938 is about 1039.1622747235.

The spelling of 1122147938 in words is "one billion, one hundred twenty-two million, one hundred forty-seven thousand, nine hundred thirty-eight".