1095121066 has 32 divisors (see below), whose sum is σ = 1857139200. Its totient is φ = 480824640.

The previous prime is 1095121039. The next prime is 1095121087. The reversal of 1095121066 is 6601215901.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 36040 + ... + 59068.

It is an arithmetic number, because the mean of its divisors is an integer number (58035600).

Almost surely, 2^1095121066 is an apocalyptic number.

1095121066 is a deficient number, since it is larger than the sum of its proper divisors (762018134).

1095121066 is a wasteful number, since it uses less digits than its factorization.

1095121066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23134.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1095121066 is about 33092.6134658476. The cubic root of 1095121066 is about 1030.7516635973.

Adding to 1095121066 its reverse (6601215901), we get a palindrome (7696336967).

The spelling of 1095121066 in words is "one billion, ninety-five million, one hundred twenty-one thousand, sixty-six".