1124122261 has 8 divisors (see below), whose sum is σ = 1130330880. Its totient is φ = 1117924512.

The previous prime is 1124122253. The next prime is 1124122283. The reversal of 1124122261 is 1622214211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1124122261 - 2³ = 1124122253 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 (1124122291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284145 + ... + 288073.

It is an arithmetic number, because the mean of its divisors is an integer number (141291360).

Almost surely, 2^1124122261 is an apocalyptic number.

It is an amenable number.

1124122261 is a deficient number, since it is larger than the sum of its proper divisors (6208619).

1124122261 is a wasteful number, since it uses less digits than its factorization.

1124122261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435.

The product of its digits is 384, while the sum is 22.

The square root of 1124122261 is about 33527.9325488465. The cubic root of 1124122261 is about 1039.7713566029.

Adding to 1124122261 its reverse (1622214211), we get a palindrome (2746336472).

The spelling of 1124122261 in words is "one billion, one hundred twenty-four million, one hundred twenty-two thousand, two hundred sixty-one".