1234909949 has 8 divisors (see below), whose sum is σ = 1519889280. Its totient is φ = 977071536.

The previous prime is 1234909889. The next prime is 1234909957. The reversal of 1234909949 is 9499094321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1234909949 - 2¹² = 1234905853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1234909897 and 1234909906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234909969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785129 + ... + 6785310.

It is an arithmetic number, because the mean of its divisors is an integer number (189986160).

Almost surely, 2^1234909949 is an apocalyptic number.

It is an amenable number.

1234909949 is a deficient number, since it is larger than the sum of its proper divisors (284979331).

1234909949 is a wasteful number, since it uses less digits than its factorization.

1234909949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13570459.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 1234909949 is about 35141.2855342544. The cubic root of 1234909949 is about 1072.8650467928.

The spelling of 1234909949 in words is "one billion, two hundred thirty-four million, nine hundred nine thousand, nine hundred forty-nine".