1277934049 has 8 divisors (see below), whose sum is σ = 1507609088. Its totient is φ = 1060037280.

The previous prime is 1277934037. The next prime is 1277934059. The reversal of 1277934049 is 9404397721.

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

It is a cyclic number.

It is not a de Polignac number, because 1277934049 - 2¹⁹ = 1277409761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1277934019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944332 + ... + 2944765.

It is an arithmetic number, because the mean of its divisors is an integer number (188451136).

Almost surely, 2^1277934049 is an apocalyptic number.

It is an amenable number.

1277934049 is a deficient number, since it is larger than the sum of its proper divisors (229675039).

1277934049 is an equidigital number, since it uses as much as digits as its factorization.

1277934049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889135.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1277934049 is about 35748.2034373757. The cubic root of 1277934049 is about 1085.1825806413.

The spelling of 1277934049 in words is "one billion, two hundred seventy-seven million, nine hundred thirty-four thousand, forty-nine".