1262642 has 8 divisors (see below), whose sum is σ = 1900956. Its totient is φ = 628992.

The previous prime is 1262633. The next prime is 1262669. The reversal of 1262642 is 2462621.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 32761 = 1109^2 + 181^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 1634.

2^1262642 is an apocalyptic number.

1262642 is a deficient number, since it is larger than the sum of its proper divisors (638314).

1262642 is a wasteful number, since it uses less digits than its factorization.

1262642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its digits is 1152, while the sum is 23.

The square root of 1262642 is about 1123.6734401062. The cubic root of 1262642 is about 108.0836685892.

The spelling of 1262642 in words is "one million, two hundred sixty-two thousand, six hundred forty-two".