1121450255 has 4 divisors (see below), whose sum is σ = 1345740312. Its totient is φ = 897160200.

The previous prime is 1121450249. The next prime is 1121450263. The reversal of 1121450255 is 5520541211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1121450255 - 2¹⁴ = 1121433871 is a prime.

It is a super-4 number, since 4×1121450255⁴ (a number of 37 digits) contains 4444 as substring.

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 3 ways as a sum of consecutive naturals, for example, 112145021 + ... + 112145030.

It is an arithmetic number, because the mean of its divisors is an integer number (336435078).

Almost surely, 2^1121450255 is an apocalyptic number.

1121450255 is a deficient number, since it is larger than the sum of its proper divisors (224290057).

1121450255 is an equidigital number, since it uses as much as digits as its factorization.

1121450255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224290056.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1121450255 is about 33488.0613801396. The cubic root of 1121450255 is about 1038.9468675461.

Adding to 1121450255 its reverse (5520541211), we get a palindrome (6641991466).

The spelling of 1121450255 in words is "one billion, one hundred twenty-one million, four hundred fifty thousand, two hundred fifty-five".