1263064 has 32 divisors (see below), whose sum is σ = 2672640. Its totient is φ = 554400.

The previous prime is 1263047. The next prime is 1263071. The reversal of 1263064 is 4603621.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (83520).

2^1263064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1263064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336320).

1263064 is an abundant number, since it is smaller than the sum of its proper divisors (1409576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1263064 is a wasteful number, since it uses less digits than its factorization.

1263064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1263064 is about 1123.8612013945. The cubic root of 1263064 is about 108.0957084833.

Adding to 1263064 its reverse (4603621), we get a palindrome (5866685).

The spelling of 1263064 in words is "one million, two hundred sixty-three thousand, sixty-four".