1106142521 has 8 divisors (see below), whose sum is σ = 1215510624. Its totient is φ = 998242720.

The previous prime is 1106142517. The next prime is 1106142529. The reversal of 1106142521 is 1252416011.

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

It is a cyclic number.

It is not a de Polignac number, because 1106142521 - 2² = 1106142517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106142529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365495 + ... + 368508.

It is an arithmetic number, because the mean of its divisors is an integer number (151938828).

Almost surely, 2^1106142521 is an apocalyptic number.

1106142521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1106142521 is a deficient number, since it is larger than the sum of its proper divisors (109368103).

1106142521 is a wasteful number, since it uses less digits than its factorization.

1106142521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734151.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1106142521 is about 33258.7209766100. The cubic root of 1106142521 is about 1034.1980052100.

Adding to 1106142521 its reverse (1252416011), we get a palindrome (2358558532).

The spelling of 1106142521 in words is "one billion, one hundred six million, one hundred forty-two thousand, five hundred twenty-one".