1155122124 has 48 divisors (see below), whose sum is σ = 2996259840. Its totient is φ = 343955520.

The previous prime is 1155122117. The next prime is 1155122131. The reversal of 1155122124 is 4212215511.

1155122124 = T₂₉₇ + T₂₉₈ + ... + T₁₉₀₈.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1155122117) and next prime (1155122131).

It is a junction number, because it is equal to n+sod(n) for n = 1155122094 and 1155122103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114594 + ... + 124265.

It is an arithmetic number, because the mean of its divisors is an integer number (62422080).

Almost surely, 2^1155122124 is an apocalyptic number.

It is an amenable number.

1155122124 is an abundant number, since it is smaller than the sum of its proper divisors (1841137716).

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

1155122124 is a wasteful number, since it uses less digits than its factorization.

1155122124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238910 (or 238908 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 1155122124 is about 33987.0876069133. The cubic root of 1155122124 is about 1049.2427265383.

Adding to 1155122124 its reverse (4212215511), we get a palindrome (5367337635).

The spelling of 1155122124 in words is "one billion, one hundred fifty-five million, one hundred twenty-two thousand, one hundred twenty-four".