1262641 has 8 divisors (see below), whose sum is σ = 1346760. Its totient is φ = 1183744.

The previous prime is 1262633. The next prime is 1262669. The reversal of 1262641 is 1462621.

1262641 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 616225 + 646416 = 785^2 + 804^2 .

It is not a de Polignac number, because 1262641 - 2³ = 1262633 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1262621) 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, 4785 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (168345).

2^1262641 is an apocalyptic number.

It is an amenable number.

1262641 is a deficient number, since it is larger than the sum of its proper divisors (84119).

1262641 is an frugal number, since it uses more digits than its factorization.

1262641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 274 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1262641 is about 1123.6729951369. The cubic root of 1262641 is about 108.0836400555.

The spelling of 1262641 in words is "one million, two hundred sixty-two thousand, six hundred forty-one".