1260940330 has 64 divisors (see below), whose sum is σ = 2518387200. Its totient is φ = 451676160.

The previous prime is 1260940327. The next prime is 1260940379. The reversal of 1260940330 is 330490621.

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 31 ways as a sum of consecutive naturals, for example, 604890 + ... + 606970.

It is an arithmetic number, because the mean of its divisors is an integer number (39349800).

Almost surely, 2^1260940330 is an apocalyptic number.

1260940330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260940330 is a deficient number, since it is larger than the sum of its proper divisors (1257446870).

1260940330 is a wasteful number, since it uses less digits than its factorization.

1260940330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1260940330 is about 35509.7216266194. The cubic root of 1260940330 is about 1080.3509176306.

The spelling of 1260940330 in words is "one billion, two hundred sixty million, nine hundred forty thousand, three hundred thirty".