1361514121 has 4 divisors (see below), whose sum is σ = 1485288144. Its totient is φ = 1237740100.

The previous prime is 1361514107. The next prime is 1361514131. The reversal of 1361514121 is 1214151631.

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.

It is a cyclic number.

It is not a de Polignac number, because 1361514121 - 2¹¹ = 1361512073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361514131) 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 3 ways as a sum of consecutive naturals, for example, 61886995 + ... + 61887016.

It is an arithmetic number, because the mean of its divisors is an integer number (371322036).

Almost surely, 2^1361514121 is an apocalyptic number.

1361514121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1361514121 is a deficient number, since it is larger than the sum of its proper divisors (123774023).

1361514121 is a wasteful number, since it uses less digits than its factorization.

1361514121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123774022.

The product of its digits is 720, while the sum is 25.

The square root of 1361514121 is about 36898.7008036868. The cubic root of 1361514121 is about 1108.3426612565.

Adding to 1361514121 its reverse (1214151631), we get a palindrome (2575665752).

The spelling of 1361514121 in words is "one billion, three hundred sixty-one million, five hundred fourteen thousand, one hundred twenty-one".