1261562 has 8 divisors (see below), whose sum is σ = 1992000. Its totient is φ = 597564.

The previous prime is 1261549. The next prime is 1261567. The reversal of 1261562 is 2651621.

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

It is not an unprimeable number, because it can be changed into a prime (1261567) 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, 16562 + ... + 16637.

It is an arithmetic number, because the mean of its divisors is an integer number (249000).

2^1261562 is an apocalyptic number.

1261562 is a deficient number, since it is larger than the sum of its proper divisors (730438).

1261562 is a wasteful number, since it uses less digits than its factorization.

1261562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33220.

The product of its digits is 720, while the sum is 23.

The square root of 1261562 is about 1123.1927706320. The cubic root of 1261562 is about 108.0528433673.

The spelling of 1261562 in words is "one million, two hundred sixty-one thousand, five hundred sixty-two".