1272077 has 4 divisors (see below), whose sum is σ = 1286460. Its totient is φ = 1257696.

The previous prime is 1272071. The next prime is 1272079. The reversal of 1272077 is 7702721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7702721 = 13 ⋅592517.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 1190281 = 286^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1272077 - 2¹⁴ = 1255693 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7058 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (321615).

2^1272077 is an apocalyptic number.

It is an amenable number.

1272077 is a deficient number, since it is larger than the sum of its proper divisors (14383).

1272077 is an equidigital number, since it uses as much as digits as its factorization.

1272077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14382.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 1272077 is about 1127.8639102303. The cubic root of 1272077 is about 108.3522165637.

Adding to 1272077 its reverse (7702721), we get a palindrome (8974798).

The spelling of 1272077 in words is "one million, two hundred seventy-two thousand, seventy-seven".