1102561345 has 8 divisors (see below), whose sum is σ = 1365753600. Its totient is φ = 853595760.

The previous prime is 1102561309. The next prime is 1102561387. The reversal of 1102561345 is 5431652011.

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

It is a de Polignac number, because none of the positive numbers 2^k-1102561345 is a prime.

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, 3556495 + ... + 3556804.

It is an arithmetic number, because the mean of its divisors is an integer number (170719200).

Almost surely, 2^1102561345 is an apocalyptic number.

It is an amenable number.

1102561345 is a deficient number, since it is larger than the sum of its proper divisors (263192255).

1102561345 is an equidigital number, since it uses as much as digits as its factorization.

1102561345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113335.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1102561345 is about 33204.8391804568. The cubic root of 1102561345 is about 1033.0807142329.

The spelling of 1102561345 in words is "one billion, one hundred two million, five hundred sixty-one thousand, three hundred forty-five".