1122161408 has 18 divisors (see below), whose sum is σ = 2239939884. Its totient is φ = 561080576.

The previous prime is 1122161393. The next prime is 1122161423. The reversal of 1122161408 is 8041612211.

It is an interprime number because it is at equal distance from previous prime (1122161393) and next prime (1122161423).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2191466 + ... + 2191977.

Almost surely, 2^1122161408 is an apocalyptic number.

It is an amenable number.

1122161408 is a deficient number, since it is larger than the sum of its proper divisors (1117778476).

1122161408 is an frugal number, since it uses more digits than its factorization.

1122161408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383459 (or 4383445 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1122161408 is about 33498.6777052468. The cubic root of 1122161408 is about 1039.1664326601.

Adding to 1122161408 its reverse (8041612211), we get a palindrome (9163773619).

The spelling of 1122161408 in words is "one billion, one hundred twenty-two million, one hundred sixty-one thousand, four hundred eight".