1264761 has 16 divisors (see below), whose sum is σ = 1892800. Its totient is φ = 834624.

The previous prime is 1264741. The next prime is 1264763. The reversal of 1264761 is 1674621.

1264761 is a `hidden beast` number, since 12 + 647 + 6 + 1 = 666.

It is not a de Polignac number, because 1264761 - 2¹¹ = 1262713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

1264761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1264763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585 + ... + 3921.

It is an arithmetic number, because the mean of its divisors is an integer number (118300).

2^1264761 is an apocalyptic number.

It is an amenable number.

1264761 is a deficient number, since it is larger than the sum of its proper divisors (628039).

1264761 is a wasteful number, since it uses less digits than its factorization.

1264761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 479 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1264761 is about 1124.6159344416. The cubic root of 1264761 is about 108.1440977771.

It can be divided in two parts, 1264 and 761, that added together give a square (2025 = 45²).

The spelling of 1264761 in words is "one million, two hundred sixty-four thousand, seven hundred sixty-one".