1920951106 has 8 divisors (see below), whose sum is σ = 2951705484. Its totient is φ = 937049280.

The previous prime is 1920951101. The next prime is 1920951107. The reversal of 1920951106 is 6011590291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1600720081 + 320231025 = 40009^2 + 17895^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1920951101) 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 3 ways as a sum of consecutive naturals, for example, 11713035 + ... + 11713198.

Almost surely, 2^1920951106 is an apocalyptic number.

1920951106 is a deficient number, since it is larger than the sum of its proper divisors (1030754378).

1920951106 is a wasteful number, since it uses less digits than its factorization.

1920951106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23426276.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 1920951106 is about 43828.6562194188. The cubic root of 1920951106 is about 1243.0981981889.

The spelling of 1920951106 in words is "one billion, nine hundred twenty million, nine hundred fifty-one thousand, one hundred six".