1260038420 has 48 divisors (see below), whose sum is σ = 2708754048. Its totient is φ = 492213120.

The previous prime is 1260038399. The next prime is 1260038467. The reversal of 1260038420 is 248300621.

It is a self number, because there is not a number n which added to its sum of digits gives 1260038420.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 147794 + ... + 156086.

It is an arithmetic number, because the mean of its divisors is an integer number (56432376).

Almost surely, 2^1260038420 is an apocalyptic number.

1260038420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260038420 is an abundant number, since it is smaller than the sum of its proper divisors (1448715628).

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

1260038420 is a wasteful number, since it uses less digits than its factorization.

1260038420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480 (or 8478 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1260038420 is about 35497.0198749134. The cubic root of 1260038420 is about 1080.0932761231.

The spelling of 1260038420 in words is "one billion, two hundred sixty million, thirty-eight thousand, four hundred twenty".