1277007130 has 48 divisors (see below), whose sum is σ = 2677896936. Its totient is φ = 437176320.

The previous prime is 1277007103. The next prime is 1277007131. The reversal of 1277007130 is 317007721.

It can be written as a sum of positive squares in 4 ways, for example, as 1261031121 + 15976009 = 35511^2 + 3997^2 .

It is not an unprimeable number, because it can be changed into a prime (1277007131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418410 + ... + 421450.

Almost surely, 2^1277007130 is an apocalyptic number.

1277007130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1277007130 is an abundant number, since it is smaller than the sum of its proper divisors (1400889806).

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

1277007130 is a wasteful number, since it uses less digits than its factorization.

1277007130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919 (or 3912 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 1277007130 is about 35735.2365320282. The cubic root of 1277007130 is about 1084.9201467419.

The spelling of 1277007130 in words is "one billion, two hundred seventy-seven million, seven thousand, one hundred thirty".