1269303140 has 24 divisors (see below), whose sum is σ = 3046327872. Its totient is φ = 435189600.

The previous prime is 1269303127. The next prime is 1269303157. The reversal of 1269303140 is 413039621.

It is a super-2 number, since 2×1269303140² = 3222260922427719200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4533086 + ... + 4533365.

It is an arithmetic number, because the mean of its divisors is an integer number (126930328).

Almost surely, 2^1269303140 is an apocalyptic number.

1269303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1269303140 is an abundant number, since it is smaller than the sum of its proper divisors (1777024732).

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

1269303140 is a wasteful number, since it uses less digits than its factorization.

1269303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066467 (or 9066465 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1269303140 is about 35627.2808392670. The cubic root of 1269303140 is about 1082.7340251794.

The spelling of 1269303140 in words is "one billion, two hundred sixty-nine million, three hundred three thousand, one hundred forty".