1206415141 has 4 divisors (see below), whose sum is σ = 1206513792. Its totient is φ = 1206316492.

The previous prime is 1206415103. The next prime is 1206415151. The reversal of 1206415141 is 1415146021.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1415146021 = 137 ⋅10329533.

It is a cyclic number.

It is not a de Polignac number, because 1206415141 - 2¹¹ = 1206413093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206415151) 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, 27871 + ... + 56476.

It is an arithmetic number, because the mean of its divisors is an integer number (301628448).

Almost surely, 2^1206415141 is an apocalyptic number.

It is an amenable number.

1206415141 is a deficient number, since it is larger than the sum of its proper divisors (98651).

1206415141 is an equidigital number, since it uses as much as digits as its factorization.

1206415141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98650.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1206415141 is about 34733.4873141181. The cubic root of 1206415141 is about 1064.5488448878.

The spelling of 1206415141 in words is "one billion, two hundred six million, four hundred fifteen thousand, one hundred forty-one".