1263141604 has 12 divisors (see below), whose sum is σ = 2211971328. Its totient is φ = 631149800.

The previous prime is 1263141601. The next prime is 1263141611. The reversal of 1263141604 is 4061413621.

It is not an unprimeable number, because it can be changed into a prime (1263141601) 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, 98452 + ... + 110539.

It is an arithmetic number, because the mean of its divisors is an integer number (184330944).

Almost surely, 2^1263141604 is an apocalyptic number.

It is an amenable number.

1263141604 is a deficient number, since it is larger than the sum of its proper divisors (948829724).

1263141604 is a wasteful number, since it uses less digits than its factorization.

1263141604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210506 (or 210504 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1263141604 is about 35540.7034820641. The cubic root of 1263141604 is about 1080.9792227649.

The spelling of 1263141604 in words is "one billion, two hundred sixty-three million, one hundred forty-one thousand, six hundred four".