1905056101 has 16 divisors (see below), whose sum is σ = 2070287296. Its totient is φ = 1742570496.

The previous prime is 1905056003. The next prime is 1905056119. The reversal of 1905056101 is 1016505091.

It is a cyclic number.

It is not a de Polignac number, because 1905056101 - 2⁷ = 1905055973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1905056101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1905056161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708706 + ... + 711388.

It is an arithmetic number, because the mean of its divisors is an integer number (129392956).

Almost surely, 2^1905056101 is an apocalyptic number.

It is an amenable number.

1905056101 is a deficient number, since it is larger than the sum of its proper divisors (165231195).

1905056101 is a wasteful number, since it uses less digits than its factorization.

1905056101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 1905056101 is about 43646.9483583904. The cubic root of 1905056101 is about 1239.6600049904.

The spelling of 1905056101 in words is "one billion, nine hundred five million, fifty-six thousand, one hundred one".