1263104 has 20 divisors (see below), whose sum is σ = 2524764. Its totient is φ = 631296.

The previous prime is 1263103. The next prime is 1263107. The reversal of 1263104 is 4013621.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722 + ... + 1745.

2^1263104 is an apocalyptic number.

It is an amenable number.

1263104 is a deficient number, since it is larger than the sum of its proper divisors (1261660).

1263104 is an frugal number, since it uses more digits than its factorization.

1263104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1263104 is about 1123.8789970455. The cubic root of 1263104 is about 108.0968495663.

Adding to 1263104 its reverse (4013621), we get a palindrome (5276725).

The spelling of 1263104 in words is "one million, two hundred sixty-three thousand, one hundred four".