1416121155 has 24 divisors (see below), whose sum is σ = 2561334048. Its totient is φ = 722426496.

The previous prime is 1416121153. The next prime is 1416121169. The reversal of 1416121155 is 5511216141.

1416121155 is a `hidden beast` number, since 1 + 41 + 612 + 1 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 1416121155 - 2¹ = 1416121153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1416121153) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 683082 + ... + 685151.

It is an arithmetic number, because the mean of its divisors is an integer number (106722252).

Almost surely, 2^1416121155 is an apocalyptic number.

1416121155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1416121155 is a deficient number, since it is larger than the sum of its proper divisors (1145212893).

1416121155 is a wasteful number, since it uses less digits than its factorization.

1416121155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368267 (or 1368264 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 1416121155 is about 37631.3852389199. The cubic root of 1416121155 is about 1122.9665073176.

Adding to 1416121155 its reverse (5511216141), we get a palindrome (6927337296).

The spelling of 1416121155 in words is "one billion, four hundred sixteen million, one hundred twenty-one thousand, one hundred fifty-five".