1277706234 has 32 divisors (see below), whose sum is σ = 2921619456. Its totient is φ = 364915440.

The previous prime is 1277706191. The next prime is 1277706239. The reversal of 1277706234 is 4326077721.

It is a junction number, because it is equal to n+sod(n) for n = 1277706192 and 1277706201.

It is not an unprimeable number, because it can be changed into a prime (1277706239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150039 + ... + 158325.

It is an arithmetic number, because the mean of its divisors is an integer number (91300608).

Almost surely, 2^1277706234 is an apocalyptic number.

1277706234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1277706234 is an abundant number, since it is smaller than the sum of its proper divisors (1643913222).

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

1277706234 is a wasteful number, since it uses less digits than its factorization.

1277706234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 1277706234 is about 35745.0169114521. The cubic root of 1277706234 is about 1085.1180922947.

The spelling of 1277706234 in words is "one billion, two hundred seventy-seven million, seven hundred six thousand, two hundred thirty-four".