1101125203 has 8 divisors (see below), whose sum is σ = 1110397680. Its totient is φ = 1091892000.

The previous prime is 1101125171. The next prime is 1101125219. The reversal of 1101125203 is 3025211011.

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 1101125203 - 2⁵ = 1101125171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101125293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47901 + ... + 67057.

It is an arithmetic number, because the mean of its divisors is an integer number (138799710).

Almost surely, 2^1101125203 is an apocalyptic number.

1101125203 is a deficient number, since it is larger than the sum of its proper divisors (9272477).

1101125203 is a wasteful number, since it uses less digits than its factorization.

1101125203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1101125203 is about 33183.2066413118. The cubic root of 1101125203 is about 1032.6319726872.

Adding to 1101125203 its reverse (3025211011), we get a palindrome (4126336214).

The spelling of 1101125203 in words is "one billion, one hundred one million, one hundred twenty-five thousand, two hundred three".