1229741018 has 16 divisors (see below), whose sum is σ = 2037778560. Its totient is φ = 551896800.

The previous prime is 1229741017. The next prime is 1229741039. The reversal of 1229741018 is 8101479221.

It is not an unprimeable number, because it can be changed into a prime (1229741017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352043 + ... + 355518.

It is an arithmetic number, because the mean of its divisors is an integer number (127361160).

Almost surely, 2^1229741018 is an apocalyptic number.

1229741018 is a deficient number, since it is larger than the sum of its proper divisors (808037542).

1229741018 is a wasteful number, since it uses less digits than its factorization.

1229741018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707653.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1229741018 is about 35067.6634237298. The cubic root of 1229741018 is about 1071.3660654956.

It can be divided in two parts, 1229 and 741018, that added together give a palindrome (742247).

The spelling of 1229741018 in words is "one billion, two hundred twenty-nine million, seven hundred forty-one thousand, eighteen".