1155002105 has 8 divisors (see below), whose sum is σ = 1392109632. Its totient is φ = 919930288.

The previous prime is 1155002089. The next prime is 1155002137. The reversal of 1155002105 is 5012005511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155002105 - 2⁴ = 1155002089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507677 + ... + 509946.

It is an arithmetic number, because the mean of its divisors is an integer number (174013704).

Almost surely, 2^1155002105 is an apocalyptic number.

It is an amenable number.

1155002105 is a deficient number, since it is larger than the sum of its proper divisors (237107527).

1155002105 is a wasteful number, since it uses less digits than its factorization.

1155002105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017855.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 1155002105 is about 33985.3219051990. The cubic root of 1155002105 is about 1049.2063859582.

Adding to 1155002105 its reverse (5012005511), we get a palindrome (6167007616).

The spelling of 1155002105 in words is "one billion, one hundred fifty-five million, two thousand, one hundred five".