1124565121 has 4 divisors (see below), whose sum is σ = 1126087600. Its totient is φ = 1123042644.

The previous prime is 1124565109. The next prime is 1124565137. The reversal of 1124565121 is 1215654211.

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 a cyclic number.

It is not a de Polignac number, because 1124565121 - 2⁷ = 1124564993 is a prime.

It is a super-2 number, since 2×1124565121² = 2529293422739489282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1124565121.

It is not an unprimeable number, because it can be changed into a prime (1124560121) 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, 760131 + ... + 761608.

It is an arithmetic number, because the mean of its divisors is an integer number (281521900).

Almost surely, 2^1124565121 is an apocalyptic number.

It is an amenable number.

1124565121 is a deficient number, since it is larger than the sum of its proper divisors (1522479).

1124565121 is an equidigital number, since it uses as much as digits as its factorization.

1124565121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522478.

The product of its digits is 2400, while the sum is 28.

The square root of 1124565121 is about 33534.5362425068. The cubic root of 1124565121 is about 1039.9078816954.

The spelling of 1124565121 in words is "one billion, one hundred twenty-four million, five hundred sixty-five thousand, one hundred twenty-one".