1105240215 has 16 divisors (see below), whose sum is σ = 1798358400. Its totient is φ = 579470112.

The previous prime is 1105240211. The next prime is 1105240267. The reversal of 1105240215 is 5120425011.

It is not a de Polignac number, because 1105240215 - 2² = 1105240211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105240191 and 1105240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105240211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623545 + ... + 625314.

It is an arithmetic number, because the mean of its divisors is an integer number (112397400).

Almost surely, 2^1105240215 is an apocalyptic number.

1105240215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1105240215 is a deficient number, since it is larger than the sum of its proper divisors (693118185).

1105240215 is a wasteful number, since it uses less digits than its factorization.

1105240215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248926.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1105240215 is about 33245.1532557755. The cubic root of 1105240215 is about 1033.9167223142.

Adding to 1105240215 its reverse (5120425011), we get a palindrome (6225665226).

The spelling of 1105240215 in words is "one billion, one hundred five million, two hundred forty thousand, two hundred fifteen".