1121150253 has 4 divisors (see below), whose sum is σ = 1494867008. Its totient is φ = 747433500.

The previous prime is 1121150243. The next prime is 1121150257. The reversal of 1121150253 is 3520511211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1121150253 - 2⁶ = 1121150189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121150257) 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, 186858373 + ... + 186858378.

It is an arithmetic number, because the mean of its divisors is an integer number (373716752).

Almost surely, 2^1121150253 is an apocalyptic number.

It is an amenable number.

1121150253 is a deficient number, since it is larger than the sum of its proper divisors (373716755).

1121150253 is an equidigital number, since it uses as much as digits as its factorization.

1121150253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373716754.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1121150253 is about 33483.5818424493. The cubic root of 1121150253 is about 1038.8542155138.

Adding to 1121150253 its reverse (3520511211), we get a palindrome (4641661464).

The spelling of 1121150253 in words is "one billion, one hundred twenty-one million, one hundred fifty thousand, two hundred fifty-three".