1276925 has 12 divisors (see below), whose sum is σ = 1705620. Its totient is φ = 942720.

The previous prime is 1276903. The next prime is 1276927. The reversal of 1276925 is 5296721.

It can be written as a sum of positive squares in 6 ways, for example, as 334084 + 942841 = 578^2 + 971^2 .

It is not a de Polignac number, because 1276925 - 2⁶ = 1276861 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1276891 and 1276900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1640 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (142135).

2^1276925 is an apocalyptic number.

It is an amenable number.

1276925 is a deficient number, since it is larger than the sum of its proper divisors (428695).

1276925 is a wasteful number, since it uses less digits than its factorization.

1276925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3947 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 1276925 is about 1130.0110618928. The cubic root of 1276925 is about 108.4896887566.

It can be divided in two parts, 12769 and 25, that multiplied together give a square (319225 = 565²).

The spelling of 1276925 in words is "one million, two hundred seventy-six thousand, nine hundred twenty-five".