1272977 has 8 divisors (see below), whose sum is σ = 1362816. Its totient is φ = 1184832.

The previous prime is 1272961. The next prime is 1272983. The reversal of 1272977 is 7792721.

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

It is not a de Polignac number, because 1272977 - 2⁴ = 1272961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272917) 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, 1388 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (170352).

2^1272977 is an apocalyptic number.

1272977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1272977 is a deficient number, since it is larger than the sum of its proper divisors (89839).

1272977 is a wasteful number, since it uses less digits than its factorization.

1272977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its digits is 12348, while the sum is 35.

The square root of 1272977 is about 1128.2628239909. The cubic root of 1272977 is about 108.3777637609.

The spelling of 1272977 in words is "one million, two hundred seventy-two thousand, nine hundred seventy-seven".