1124213530 has 32 divisors (see below), whose sum is σ = 2243749248. Its totient is φ = 402100800.

The previous prime is 1124213521. The next prime is 1124213533. The reversal of 1124213530 is 353124211.

It is a happy number.

It is a super-2 number, since 2×1124213530² = 2527712122070121800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1124213533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77062 + ... + 90481.

It is an arithmetic number, because the mean of its divisors is an integer number (70117164).

Almost surely, 2^1124213530 is an apocalyptic number.

1124213530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1124213530 is a deficient number, since it is larger than the sum of its proper divisors (1119535718).

1124213530 is a wasteful number, since it uses less digits than its factorization.

1124213530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167622.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1124213530 is about 33529.2936102149. The cubic root of 1124213530 is about 1039.7994959869.

Adding to 1124213530 its reverse (353124211), we get a palindrome (1477337741).

The spelling of 1124213530 in words is "one billion, one hundred twenty-four million, two hundred thirteen thousand, five hundred thirty".