1234277964 has 18 divisors (see below), whose sum is σ = 3119980500. Its totient is φ = 411425976.

The previous prime is 1234277921. The next prime is 1234277969. The reversal of 1234277964 is 4697724321.

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

It is not an unprimeable number, because it can be changed into a prime (1234277969) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 17142714 + ... + 17142785.

It is an arithmetic number, because the mean of its divisors is an integer number (173332250).

Almost surely, 2^1234277964 is an apocalyptic number.

It is an amenable number.

1234277964 is an abundant number, since it is smaller than the sum of its proper divisors (1885702536).

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

1234277964 is a wasteful number, since it uses less digits than its factorization.

1234277964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34285509 (or 34285504 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 1234277964 is about 35132.2923248683. The cubic root of 1234277964 is about 1072.6819969235.

The spelling of 1234277964 in words is "one billion, two hundred thirty-four million, two hundred seventy-seven thousand, nine hundred sixty-four".