1277856034 has 64 divisors (see below), whose sum is σ = 2606639616. Its totient is φ = 455076864.

The previous prime is 1277856031. The next prime is 1277856067. The reversal of 1277856034 is 4306587721.

It is not an unprimeable number, because it can be changed into a prime (1277856031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62184 + ... + 80140.

It is an arithmetic number, because the mean of its divisors is an integer number (40728744).

Almost surely, 2^1277856034 is an apocalyptic number.

1277856034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1277856034 is an abundant number, since it is smaller than the sum of its proper divisors (1328783582).

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

1277856034 is a wasteful number, since it uses less digits than its factorization.

1277856034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 1277856034 is about 35747.1122470054. The cubic root of 1277856034 is about 1085.1604975398.

The spelling of 1277856034 in words is "one billion, two hundred seventy-seven million, eight hundred fifty-six thousand, thirty-four".