105122045 has 8 divisors (see below), whose sum is σ = 144167424. Its totient is φ = 72083664.

The previous prime is 105122009. The next prime is 105122051. The reversal of 105122045 is 540221501.

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 105122045 - 2⁸ = 105121789 is a prime.

It is a super-2 number, since 2×105122045² = 22101288689964050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 1501709 + ... + 1501778.

It is an arithmetic number, because the mean of its divisors is an integer number (18020928).

Almost surely, 2^105122045 is an apocalyptic number.

It is an amenable number.

105122045 is a deficient number, since it is larger than the sum of its proper divisors (39045379).

105122045 is an equidigital number, since it uses as much as digits as its factorization.

105122045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003499.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105122045 is about 10252.9042227069. The cubic root of 105122045 is about 471.9521116909.

Adding to 105122045 its reverse (540221501), we get a palindrome (645343546).

The spelling of 105122045 in words is "one hundred five million, one hundred twenty-two thousand, forty-five".