1105121842 has 8 divisors (see below), whose sum is σ = 1808381232. Its totient is φ = 502328100.

The previous prime is 1105121837. The next prime is 1105121867. The reversal of 1105121842 is 2481215011.

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

It is a super-3 number, since 3×1105121842³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25116384 + ... + 25116427.

It is an arithmetic number, because the mean of its divisors is an integer number (226047654).

Almost surely, 2^1105121842 is an apocalyptic number.

1105121842 is a deficient number, since it is larger than the sum of its proper divisors (703259390).

1105121842 is a wasteful number, since it uses less digits than its factorization.

1105121842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50232824.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1105121842 is about 33243.3729034826. The cubic root of 1105121842 is about 1033.8798096165.

Adding to 1105121842 its reverse (2481215011), we get a palindrome (3586336853).

The spelling of 1105121842 in words is "one billion, one hundred five million, one hundred twenty-one thousand, eight hundred forty-two".