1263034080 has 384 divisors, whose sum is σ = 5512872960. Its totient is φ = 262379520.

The previous prime is 1263034079. The next prime is 1263034081. The reversal of 1263034080 is 804303621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1263034079) and next prime (1263034081).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263034081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 330742 + ... + 334538.

It is an arithmetic number, because the mean of its divisors is an integer number (14356440).

Almost surely, 2^1263034080 is an apocalyptic number.

1263034080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1263034080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756436480).

1263034080 is an abundant number, since it is smaller than the sum of its proper divisors (4249838880).

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

1263034080 is a wasteful number, since it uses less digits than its factorization.

1263034080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3825 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1263034080 is about 35539.1907617492. The cubic root of 1263034080 is about 1080.9485493741.

The spelling of 1263034080 in words is "one billion, two hundred sixty-three million, thirty-four thousand, eighty".