1105270725 has 48 divisors (see below), whose sum is σ = 2083741632. Its totient is φ = 512117760.

The previous prime is 1105270709. The next prime is 1105270729. The reversal of 1105270725 is 5270725011.

It is not a de Polignac number, because 1105270725 - 2⁴ = 1105270709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105270692 and 1105270701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105270729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16767 + ... + 49916.

It is an arithmetic number, because the mean of its divisors is an integer number (43411284).

Almost surely, 2^1105270725 is an apocalyptic number.

1105270725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105270725 is a deficient number, since it is larger than the sum of its proper divisors (978470907).

1105270725 is a wasteful number, since it uses less digits than its factorization.

1105270725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66726 (or 66721 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 1105270725 is about 33245.6121164884. The cubic root of 1105270725 is about 1033.9262359350.

Adding to 1105270725 its reverse (5270725011), we get a palindrome (6375995736).

The spelling of 1105270725 in words is "one billion, one hundred five million, two hundred seventy thousand, seven hundred twenty-five".