1920041245 has 8 divisors (see below), whose sum is σ = 2322192384. Its totient is φ = 1523937744.

The previous prime is 1920041243. The next prime is 1920041269. The reversal of 1920041245 is 5421400291.

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 1920041245 - 2¹ = 1920041243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920041243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511209 + ... + 1512478.

It is an arithmetic number, because the mean of its divisors is an integer number (290274048).

Almost surely, 2^1920041245 is an apocalyptic number.

It is an amenable number.

1920041245 is a deficient number, since it is larger than the sum of its proper divisors (402151139).

1920041245 is a wasteful number, since it uses less digits than its factorization.

1920041245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023819.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1920041245 is about 43818.2752399042. The cubic root of 1920041245 is about 1242.9019021654.

The spelling of 1920041245 in words is "one billion, nine hundred twenty million, forty-one thousand, two hundred forty-five".