1095402009 has 16 divisors (see below), whose sum is σ = 1574846784. Its totient is φ = 673252800.

The previous prime is 1095401969. The next prime is 1095402017. The reversal of 1095402009 is 9002045901.

It is a happy number.

It is not a de Polignac number, because 1095402009 - 2⁸ = 1095401753 is a prime.

It is a super-2 number, since 2×1095402009² = 2399811122642472162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1095402109) 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, 14914 + ... + 49124.

It is an arithmetic number, because the mean of its divisors is an integer number (98427924).

Almost surely, 2^1095402009 is an apocalyptic number.

It is an amenable number.

1095402009 is a deficient number, since it is larger than the sum of its proper divisors (479444775).

1095402009 is a wasteful number, since it uses less digits than its factorization.

1095402009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35048.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1095402009 is about 33096.8579928669. The cubic root of 1095402009 is about 1030.8397992728.

The spelling of 1095402009 in words is "one billion, ninety-five million, four hundred two thousand, nine".