1095513121 has 4 divisors (see below), whose sum is σ = 1114081200. Its totient is φ = 1076945044.

The previous prime is 1095513119. The next prime is 1095513157. The reversal of 1095513121 is 1213155901.

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 1095513121 - 2¹ = 1095513119 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 1095513121.

It is not an unprimeable number, because it can be changed into a prime (1095513101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9283951 + ... + 9284068.

It is an arithmetic number, because the mean of its divisors is an integer number (278520300).

Almost surely, 2^1095513121 is an apocalyptic number.

It is an amenable number.

1095513121 is a deficient number, since it is larger than the sum of its proper divisors (18568079).

1095513121 is an equidigital number, since it uses as much as digits as its factorization.

1095513121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18568078.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 1095513121 is about 33098.5365386447. The cubic root of 1095513121 is about 1030.8746524738.

The spelling of 1095513121 in words is "one billion, ninety-five million, five hundred thirteen thousand, one hundred twenty-one".