1123152126 has 16 divisors (see below), whose sum is σ = 2251670400. Its totient is φ = 373489688.

The previous prime is 1123152119. The next prime is 1123152133. The reversal of 1123152126 is 6212513211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1123152119) and next prime (1123152133).

It is a super-2 number, since 2×1123152126² = 2522941396276639752, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1123152096 and 1123152105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220866 + ... + 225893.

It is an arithmetic number, because the mean of its divisors is an integer number (140729400).

Almost surely, 2^1123152126 is an apocalyptic number.

1123152126 is an abundant number, since it is smaller than the sum of its proper divisors (1128518274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123152126 is a wasteful number, since it uses less digits than its factorization.

1123152126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447183.

The product of its digits is 720, while the sum is 24.

The square root of 1123152126 is about 33513.4618623621. The cubic root of 1123152126 is about 1039.4721575629.

Adding to 1123152126 its reverse (6212513211), we get a palindrome (7335665337).

The spelling of 1123152126 in words is "one billion, one hundred twenty-three million, one hundred fifty-two thousand, one hundred twenty-six".