1261024 has 24 divisors (see below), whose sum is σ = 2508408. Its totient is φ = 624000.

The previous prime is 1260991. The next prime is 1261033. The reversal of 1261024 is 4201621.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1260989 and 1261007.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4899 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (104517).

2^1261024 is an apocalyptic number.

It is an amenable number.

1261024 is a deficient number, since it is larger than the sum of its proper divisors (1247384).

1261024 is a wasteful number, since it uses less digits than its factorization.

1261024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1261024 is about 1122.9532492495. The cubic root of 1261024 is about 108.0374812751.

Adding to 1261024 its reverse (4201621), we get a palindrome (5462645).

The spelling of 1261024 in words is "one million, two hundred sixty-one thousand, twenty-four".