1234921068 has 18 divisors (see below), whose sum is σ = 3121606124. Its totient is φ = 411640344.

The previous prime is 1234921067. The next prime is 1234921081. The reversal of 1234921068 is 8601294321.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 34303363 = 1234921068 / (1 + 2 + 3 + 4 + 9 + 2 + 1 + 0 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (1234921063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17151646 + ... + 17151717.

Almost surely, 2^1234921068 is an apocalyptic number.

1234921068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1234921068 is an abundant number, since it is smaller than the sum of its proper divisors (1886685056).

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

1234921068 is a wasteful number, since it uses less digits than its factorization.

1234921068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303373 (or 34303368 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1234921068 is about 35141.4437381278. The cubic root of 1234921068 is about 1072.8682667714.

The spelling of 1234921068 in words is "one billion, two hundred thirty-four million, nine hundred twenty-one thousand, sixty-eight".