1101020125 has 16 divisors (see below), whose sum is σ = 1379459952. Its totient is φ = 877363200.

The previous prime is 1101020111. The next prime is 1101020159. The reversal of 1101020125 is 5210201011.

It can be written as a sum of positive squares in 8 ways, for example, as 1301881 + 1099718244 = 1141^2 + 33162^2 .

It is not a de Polignac number, because 1101020125 - 2²¹ = 1098922973 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 14989 + ... + 49261.

It is an arithmetic number, because the mean of its divisors is an integer number (86216247).

Almost surely, 2^1101020125 is an apocalyptic number.

It is an amenable number.

1101020125 is a deficient number, since it is larger than the sum of its proper divisors (278439827).

1101020125 is an equidigital number, since it uses as much as digits as its factorization.

1101020125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34545 (or 34535 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1101020125 is about 33181.6233026656. The cubic root of 1101020125 is about 1032.5991243627.

Adding to 1101020125 its reverse (5210201011), we get a palindrome (6311221136).

The spelling of 1101020125 in words is "one billion, one hundred one million, twenty thousand, one hundred twenty-five".