1282957460 has 48 divisors (see below), whose sum is σ = 2773685376. Its totient is φ = 498191232.

The previous prime is 1282957453. The next prime is 1282957471. The reversal of 1282957460 is 647592821.

It is a happy number.

It is a congruent number.

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, 139154 + ... + 148086.

It is an arithmetic number, because the mean of its divisors is an integer number (57785112).

Almost surely, 2^1282957460 is an apocalyptic number.

1282957460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1282957460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386842688).

1282957460 is an abundant number, since it is smaller than the sum of its proper divisors (1490727916).

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

1282957460 is a wasteful number, since it uses less digits than its factorization.

1282957460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152 (or 9150 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1282957460 is about 35818.3955531233. The cubic root of 1282957460 is about 1086.6026306668.

The spelling of 1282957460 in words is "one billion, two hundred eighty-two million, nine hundred fifty-seven thousand, four hundred sixty".