1260492378 has 32 divisors (see below), whose sum is σ = 2540030400. Its totient is φ = 417002880.

The previous prime is 1260492367. The next prime is 1260492407. The reversal of 1260492378 is 8732940621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465673 + ... + 468371.

It is an arithmetic number, because the mean of its divisors is an integer number (79375950).

Almost surely, 2^1260492378 is an apocalyptic number.

1260492378 is an abundant number, since it is smaller than the sum of its proper divisors (1279538022).

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

1260492378 is a wasteful number, since it uses less digits than its factorization.

1260492378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1260492378 is about 35503.4136105248. The cubic root of 1260492378 is about 1080.2229700818. Note that the first 3 decimals are identical.

The spelling of 1260492378 in words is "one billion, two hundred sixty million, four hundred ninety-two thousand, three hundred seventy-eight".