1105288157 has 4 divisors (see below), whose sum is σ = 1105412640. Its totient is φ = 1105163676.

The previous prime is 1105288153. The next prime is 1105288183. The reversal of 1105288157 is 7518825011.

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 1105288157 - 2² = 1105288153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105288157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105288153) 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, 47807 + ... + 67052.

It is an arithmetic number, because the mean of its divisors is an integer number (276353160).

Almost surely, 2^1105288157 is an apocalyptic number.

It is an amenable number.

1105288157 is a deficient number, since it is larger than the sum of its proper divisors (124483).

1105288157 is an equidigital number, since it uses as much as digits as its factorization.

1105288157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124482.

The product of its (nonzero) digits is 22400, while the sum is 38.

The square root of 1105288157 is about 33245.8742853907. The cubic root of 1105288157 is about 1033.9316714984.

The spelling of 1105288157 in words is "one billion, one hundred five million, two hundred eighty-eight thousand, one hundred fifty-seven".