1416121853 has 4 divisors (see below), whose sum is σ = 1426309920. Its totient is φ = 1405933788.

The previous prime is 1416121843. The next prime is 1416121873. The reversal of 1416121853 is 3581216141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3581216141 = 17 ⋅210659773.

It is a cyclic number.

It is not a de Polignac number, because 1416121853 - 2¹⁰ = 1416120829 is a prime.

It is a super-2 number, since 2×1416121853² = 4010802205088307218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416121843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5093825 + ... + 5094102.

It is an arithmetic number, because the mean of its divisors is an integer number (356577480).

Almost surely, 2^1416121853 is an apocalyptic number.

It is an amenable number.

1416121853 is a deficient number, since it is larger than the sum of its proper divisors (10188067).

1416121853 is a wasteful number, since it uses less digits than its factorization.

1416121853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188066.

The product of its digits is 5760, while the sum is 32.

The square root of 1416121853 is about 37631.3945130924. The cubic root of 1416121853 is about 1122.9666918194.

Adding to 1416121853 its reverse (3581216141), we get a palindrome (4997337994).

The spelling of 1416121853 in words is "one billion, four hundred sixteen million, one hundred twenty-one thousand, eight hundred fifty-three".