1920113 has 8 divisors (see below), whose sum is σ = 2085888. Its totient is φ = 1756944.

The previous prime is 1920101. The next prime is 1920143. The reversal of 1920113 is 3110291.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1920113 - 2⁶ = 1920049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1920091 and 1920100.

It is not an unprimeable number, because it can be changed into a prime (1920143) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (260736).

2^1920113 is an apocalyptic number.

1920113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1920113 is a deficient number, since it is larger than the sum of its proper divisors (165775).

1920113 is a wasteful number, since it uses less digits than its factorization.

1920113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1920113 is about 1385.6814208179. The cubic root of 1920113 is about 124.2917385047.

The spelling of 1920113 in words is "one million, nine hundred twenty thousand, one hundred thirteen".