1102045 has 24 divisors (see below), whose sum is σ = 1620864. Its totient is φ = 703296.

The previous prime is 1102027. The next prime is 1102063. The reversal of 1102045 is 5402011.

It is an interprime number because it is at equal distance from previous prime (1102027) and next prime (1102063).

It is not a de Polignac number, because 1102045 - 2⁷ = 1101917 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29767 + ... + 29803.

It is an arithmetic number, because the mean of its divisors is an integer number (67536).

2^1102045 is an apocalyptic number.

It is an amenable number.

1102045 is a deficient number, since it is larger than the sum of its proper divisors (518819).

1102045 is an equidigital number, since it uses as much as digits as its factorization.

1102045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1102045 is about 1049.7833109742. The cubic root of 1102045 is about 103.2919420304.

Adding to 1102045 its reverse (5402011), we get a palindrome (6504056).

The spelling of 1102045 in words is "one million, one hundred two thousand, forty-five".