1224530742 has 32 divisors (see below), whose sum is σ = 2537232480. Its totient is φ = 393523200.

The previous prime is 1224530719. The next prime is 1224530761. The reversal of 1224530742 is 2470354221.

It is a congruent number.

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, 122742 + ... + 132342.

It is an arithmetic number, because the mean of its divisors is an integer number (79288515).

Almost surely, 2^1224530742 is an apocalyptic number.

1224530742 is an abundant number, since it is smaller than the sum of its proper divisors (1312701738).

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

1224530742 is a wasteful number, since it uses less digits than its factorization.

1224530742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1224530742 is about 34993.2956721713. The cubic root of 1224530742 is about 1069.8508372150.

Adding to 1224530742 its reverse (2470354221), we get a palindrome (3694884963).

The spelling of 1224530742 in words is "one billion, two hundred twenty-four million, five hundred thirty thousand, seven hundred forty-two".