1263434244 has 12 divisors (see below), whose sum is σ = 2948013264. Its totient is φ = 421144744.

The previous prime is 1263434219. The next prime is 1263434251. The reversal of 1263434244 is 4424343621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52643082 + ... + 52643105.

It is an arithmetic number, because the mean of its divisors is an integer number (245667772).

Almost surely, 2^1263434244 is an apocalyptic number.

It is an amenable number.

1263434244 is an abundant number, since it is smaller than the sum of its proper divisors (1684579020).

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

1263434244 is a wasteful number, since it uses less digits than its factorization.

1263434244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105286194 (or 105286192 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

The square root of 1263434244 is about 35544.8202133588. The cubic root of 1263434244 is about 1081.0626954155.

Adding to 1263434244 its reverse (4424343621), we get a palindrome (5687777865).

The spelling of 1263434244 in words is "one billion, two hundred sixty-three million, four hundred thirty-four thousand, two hundred forty-four".