1040451105 has 16 divisors (see below), whose sum is σ = 1665244224. Its totient is φ = 554733120.

The previous prime is 1040451103. The next prime is 1040451121. The reversal of 1040451105 is 5011540401.

It is not a de Polignac number, because 1040451105 - 2¹ = 1040451103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040451103) 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, 49210 + ... + 67100.

It is an arithmetic number, because the mean of its divisors is an integer number (104077764).

Almost surely, 2^1040451105 is an apocalyptic number.

1040451105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040451105 is a deficient number, since it is larger than the sum of its proper divisors (624793119).

1040451105 is a wasteful number, since it uses less digits than its factorization.

1040451105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21776.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1040451105 is about 32256.0243210474. The cubic root of 1040451105 is about 1013.3058702328.

Adding to 1040451105 its reverse (5011540401), we get a palindrome (6051991506).

The spelling of 1040451105 in words is "one billion, forty million, four hundred fifty-one thousand, one hundred five".