1277449058 has 18 divisors (see below), whose sum is σ = 1941134571. Its totient is φ = 630510804.

The previous prime is 1277449057. The next prime is 1277449109. The reversal of 1277449058 is 8509447721.

It can be written as a sum of positive squares in only one way, i.e., 638724529 + 638724529 = 25273^2 + 25273^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25273.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1277449057) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6419243 + ... + 6419441.

Almost surely, 2^1277449058 is an apocalyptic number.

1277449058 is a deficient number, since it is larger than the sum of its proper divisors (663685513).

1277449058 is an frugal number, since it uses more digits than its factorization.

1277449058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 1277449058 is about 35741.4193618552. The cubic root of 1277449058 is about 1085.0452834208.

The spelling of 1277449058 in words is "one billion, two hundred seventy-seven million, four hundred forty-nine thousand, fifty-eight".