1123113151 has 6 divisors (see below), whose sum is σ = 1141830456. Its totient is φ = 1104697800.

The previous prime is 1123113097. The next prime is 1123113163. The reversal of 1123113151 is 1513113211.

It is not a de Polignac number, because 1123113151 - 2¹³ = 1123104959 is a prime.

It is a super-2 number, since 2×1123113151² = 2522766299898297602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123114151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147195 + ... + 154636.

It is an arithmetic number, because the mean of its divisors is an integer number (190305076).

Almost surely, 2^1123113151 is an apocalyptic number.

1123113151 is a deficient number, since it is larger than the sum of its proper divisors (18717305).

1123113151 is an frugal number, since it uses more digits than its factorization.

1123113151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301953 (or 301892 counting only the distinct ones).

The product of its digits is 90, while the sum is 19.

The square root of 1123113151 is about 33512.8803745664. The cubic root of 1123113151 is about 1039.4601336957.

Adding to 1123113151 its reverse (1513113211), we get a palindrome (2636226362).

The spelling of 1123113151 in words is "one billion, one hundred twenty-three million, one hundred thirteen thousand, one hundred fifty-one".