1205540414 has 32 divisors (see below), whose sum is σ = 2067055200. Its totient is φ = 522381312.

The previous prime is 1205540407. The next prime is 1205540449. The reversal of 1205540414 is 4140455021.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188237 + ... + 194535.

It is an arithmetic number, because the mean of its divisors is an integer number (64595475).

Almost surely, 2^1205540414 is an apocalyptic number.

1205540414 is a deficient number, since it is larger than the sum of its proper divisors (861514786).

1205540414 is a wasteful number, since it uses less digits than its factorization.

1205540414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1205540414 is about 34720.8930472705. The cubic root of 1205540414 is about 1064.2914943475.

Adding to 1205540414 its reverse (4140455021), we get a palindrome (5345995435).

The spelling of 1205540414 in words is "one billion, two hundred five million, five hundred forty thousand, four hundred fourteen".