1020190 has 8 divisors (see below), whose sum is σ = 1836360. Its totient is φ = 408072.

The previous prime is 1020163. The next prime is 1020223. The reversal of 1020190 is 910201.

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

It is a super-2 number, since 2×1020190² = 2081575272200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020190.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51000 + ... + 51019.

It is an arithmetic number, because the mean of its divisors is an integer number (229545).

2^1020190 is an apocalyptic number.

1020190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020190 is a deficient number, since it is larger than the sum of its proper divisors (816170).

1020190 is a wasteful number, since it uses less digits than its factorization.

1020190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102026.

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

The square root of 1020190 is about 1010.0445534728. The cubic root of 1020190 is about 100.6685208397.

Adding to 1020190 its reverse (910201), we get a palindrome (1930391).

The spelling of 1020190 in words is "one million, twenty thousand, one hundred ninety".