1921174114 has 32 divisors (see below), whose sum is σ = 3106998000. Its totient is φ = 887715840.

The previous prime is 1921174111. The next prime is 1921174117. The reversal of 1921174114 is 4114711291.

It is an interprime number because it is at equal distance from previous prime (1921174111) and next prime (1921174117).

It can be written as a sum of positive squares in 8 ways, for example, as 1084055625 + 837118489 = 32925^2 + 28933^2 .

It is not an unprimeable number, because it can be changed into a prime (1921174111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448744 + ... + 453004.

Almost surely, 2^1921174114 is an apocalyptic number.

1921174114 is a deficient number, since it is larger than the sum of its proper divisors (1185823886).

1921174114 is a wasteful number, since it uses less digits than its factorization.

1921174114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518.

The product of its digits is 2016, while the sum is 31.

The square root of 1921174114 is about 43831.2002345361. The cubic root of 1921174114 is about 1243.1463011165.

The spelling of 1921174114 in words is "one billion, nine hundred twenty-one million, one hundred seventy-four thousand, one hundred fourteen".