1263214004 has 48 divisors (see below), whose sum is σ = 2489676672. Its totient is φ = 556440192.

The previous prime is 1263213997. The next prime is 1263214033. The reversal of 1263214004 is 4004123621.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732287 + ... + 734009.

It is an arithmetic number, because the mean of its divisors is an integer number (51868264).

Almost surely, 2^1263214004 is an apocalyptic number.

It is an amenable number.

1263214004 is a deficient number, since it is larger than the sum of its proper divisors (1226462668).

1263214004 is a wasteful number, since it uses less digits than its factorization.

1263214004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376 (or 2374 counting only the distinct ones).

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

The square root of 1263214004 is about 35541.7220179327. The cubic root of 1263214004 is about 1080.9998753452. Note that the first 3 decimals are identical.

Adding to 1263214004 its reverse (4004123621), we get a palindrome (5267337625).

The spelling of 1263214004 in words is "one billion, two hundred sixty-three million, two hundred fourteen thousand, four".