1860428101 has 16 divisors (see below), whose sum is σ = 2168467200. Its totient is φ = 1563015168.

The previous prime is 1860428093. The next prime is 1860428107. The reversal of 1860428101 is 1018240681.

It is a cyclic number.

It is not a de Polignac number, because 1860428101 - 2³ = 1860428093 is a prime.

It is a super-2 number, since 2×1860428101² = 6922385437980932402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860428107) 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 15 ways as a sum of consecutive naturals, for example, 520960 + ... + 524518.

It is an arithmetic number, because the mean of its divisors is an integer number (135529200).

Almost surely, 2^1860428101 is an apocalyptic number.

It is an amenable number.

1860428101 is a deficient number, since it is larger than the sum of its proper divisors (308039099).

1860428101 is a wasteful number, since it uses less digits than its factorization.

1860428101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 1860428101 is about 43132.6801972704. The cubic root of 1860428101 is about 1229.9032909180.

Adding to 1860428101 its reverse (1018240681), we get a palindrome (2878668782).

The spelling of 1860428101 in words is "one billion, eight hundred sixty million, four hundred twenty-eight thousand, one hundred one".