1900102 has 8 divisors (see below), whose sum is σ = 2890512. Its totient is φ = 936600.

The previous prime is 1900079. The next prime is 1900111. The reversal of 1900102 is 2010091.

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

It is a super-2 number, since 2×1900102² = 7220775220808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6549 + ... + 6832.

It is an arithmetic number, because the mean of its divisors is an integer number (361314).

2^1900102 is an apocalyptic number.

1900102 is a deficient number, since it is larger than the sum of its proper divisors (990410).

1900102 is a wasteful number, since it uses less digits than its factorization.

1900102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1900102 is about 1378.4418740012. The cubic root of 1900102 is about 123.8584492981.

Adding to 1900102 its reverse (2010091), we get a palindrome (3910193).

It can be divided in two parts, 1900 and 102, that added together give a palindrome (2002).

The spelling of 1900102 in words is "one million, nine hundred thousand, one hundred two".