1105420125 has 32 divisors (see below), whose sum is σ = 1848787200. Its totient is φ = 586555200.

The previous prime is 1105420109. The next prime is 1105420159. The reversal of 1105420125 is 5210245011.

It is not a de Polignac number, because 1105420125 - 2⁴ = 1105420109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67219 + ... + 82031.

It is an arithmetic number, because the mean of its divisors is an integer number (57774600).

Almost surely, 2^1105420125 is an apocalyptic number.

1105420125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105420125 is a deficient number, since it is larger than the sum of its proper divisors (743367075).

1105420125 is a wasteful number, since it uses less digits than its factorization.

1105420125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030 (or 15020 counting only the distinct ones).

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

The square root of 1105420125 is about 33247.8589536229. The cubic root of 1105420125 is about 1033.9728192793.

Adding to 1105420125 its reverse (5210245011), we get a palindrome (6315665136).

The spelling of 1105420125 in words is "one billion, one hundred five million, four hundred twenty thousand, one hundred twenty-five".