1282057087 has 4 divisors (see below), whose sum is σ = 1283642640. Its totient is φ = 1280471536.

The previous prime is 1282057081. The next prime is 1282057151. The reversal of 1282057087 is 7807502821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1282057087 - 2²⁷ = 1147839359 is a prime.

It is a super-3 number, since 3×1282057087³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282057081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791563 + ... + 793180.

It is an arithmetic number, because the mean of its divisors is an integer number (320910660).

Almost surely, 2^1282057087 is an apocalyptic number.

1282057087 is a deficient number, since it is larger than the sum of its proper divisors (1585553).

1282057087 is an equidigital number, since it uses as much as digits as its factorization.

1282057087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585552.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 1282057087 is about 35805.8247635772. The cubic root of 1282057087 is about 1086.3483804529.

The spelling of 1282057087 in words is "one billion, two hundred eighty-two million, fifty-seven thousand, eighty-seven".