1101203453 has 16 divisors (see below), whose sum is σ = 1322711040. Its totient is φ = 896336496.

The previous prime is 1101203437. The next prime is 1101203471. The reversal of 1101203453 is 3543021011.

It is not a de Polignac number, because 1101203453 - 2⁴ = 1101203437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101203473) 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, 2225 + ... + 46982.

It is an arithmetic number, because the mean of its divisors is an integer number (82669440).

Almost surely, 2^1101203453 is an apocalyptic number.

It is an amenable number.

1101203453 is a deficient number, since it is larger than the sum of its proper divisors (221507587).

1101203453 is a wasteful number, since it uses less digits than its factorization.

1101203453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49376.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1101203453 is about 33184.3856806179. The cubic root of 1101203453 is about 1032.6564329810.

Adding to 1101203453 its reverse (3543021011), we get a palindrome (4644224464).

The spelling of 1101203453 in words is "one billion, one hundred one million, two hundred three thousand, four hundred fifty-three".