1020104542 has 8 divisors (see below), whose sum is σ = 1531765296. Its totient is φ = 509516112.

The previous prime is 1020104539. The next prime is 1020104543. The reversal of 1020104542 is 2454010201.

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

It is a super-2 number, since 2×1020104542² = 2081226553218059528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020104543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265698 + ... + 269509.

It is an arithmetic number, because the mean of its divisors is an integer number (191470662).

Almost surely, 2^1020104542 is an apocalyptic number.

1020104542 is a deficient number, since it is larger than the sum of its proper divisors (511660754).

1020104542 is an equidigital number, since it uses as much as digits as its factorization.

1020104542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536162.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1020104542 is about 31939.0754719043. The cubic root of 1020104542 is about 1006.6570986962.

Adding to 1020104542 its reverse (2454010201), we get a palindrome (3474114743).

The spelling of 1020104542 in words is "one billion, twenty million, one hundred four thousand, five hundred forty-two".