1101255461 has 4 divisors (see below), whose sum is σ = 1166035212. Its totient is φ = 1036475712.

The previous prime is 1101255437. The next prime is 1101255487. The reversal of 1101255461 is 1645521011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1645521011 = 19 ⋅86606369.

It can be written as a sum of positive squares in 2 ways, for example, as 854451361 + 246804100 = 29231^2 + 15710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101255461 - 2²² = 1097061157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101255461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101255061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32389850 + ... + 32389883.

It is an arithmetic number, because the mean of its divisors is an integer number (291508803).

Almost surely, 2^1101255461 is an apocalyptic number.

It is an amenable number.

1101255461 is a deficient number, since it is larger than the sum of its proper divisors (64779751).

1101255461 is an equidigital number, since it uses as much as digits as its factorization.

1101255461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64779750.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1101255461 is about 33185.1692929236. The cubic root of 1101255461 is about 1032.6726896047.

Adding to 1101255461 its reverse (1645521011), we get a palindrome (2746776472).

The spelling of 1101255461 in words is "one billion, one hundred one million, two hundred fifty-five thousand, four hundred sixty-one".