1201424434 has 48 divisors (see below), whose sum is σ = 2177746560. Its totient is φ = 495287520.

The previous prime is 1201424363. The next prime is 1201424467. The reversal of 1201424434 is 4344241021.

It is a super-2 number, since 2×1201424434² = 2886841341224440712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201424399 and 1201424408.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 269544 + ... + 273964.

It is an arithmetic number, because the mean of its divisors is an integer number (45369720).

Almost surely, 2^1201424434 is an apocalyptic number.

1201424434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1201424434 is a deficient number, since it is larger than the sum of its proper divisors (976322126).

1201424434 is a wasteful number, since it uses less digits than its factorization.

1201424434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1201424434 is about 34661.5699875236. The cubic root of 1201424434 is about 1063.0788715329.

Adding to 1201424434 its reverse (4344241021), we get a palindrome (5545665455).

The spelling of 1201424434 in words is "one billion, two hundred one million, four hundred twenty-four thousand, four hundred thirty-four".