1263485310 has 32 divisors (see below), whose sum is σ = 3033970560. Its totient is φ = 336751008.

The previous prime is 1263485303. The next prime is 1263485317. The reversal of 1263485310 is 135843621.

It is an interprime number because it is at equal distance from previous prime (1263485303) and next prime (1263485317).

It is a super-2 number, since 2×1263485310² = 3192790257171592200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263485317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52381 + ... + 72599.

It is an arithmetic number, because the mean of its divisors is an integer number (94811580).

Almost surely, 2^1263485310 is an apocalyptic number.

1263485310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1263485310 is an abundant number, since it is smaller than the sum of its proper divisors (1770485250).

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

1263485310 is a wasteful number, since it uses less digits than its factorization.

1263485310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22312.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1263485310 is about 35545.5385386127. The cubic root of 1263485310 is about 1081.0772601635.

The spelling of 1263485310 in words is "one billion, two hundred sixty-three million, four hundred eighty-five thousand, three hundred ten".