1490822087 has 4 divisors (see below), whose sum is σ = 1490917416. Its totient is φ = 1490726760.

The previous prime is 1490822077. The next prime is 1490822101. The reversal of 1490822087 is 7802280941.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1490822087 - 2⁴ = 1490822071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490822017) 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, 18089 + ... + 57522.

It is an arithmetic number, because the mean of its divisors is an integer number (372729354).

Almost surely, 2^1490822087 is an apocalyptic number.

1490822087 is a deficient number, since it is larger than the sum of its proper divisors (95329).

1490822087 is an equidigital number, since it uses as much as digits as its factorization.

1490822087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95328.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1490822087 is about 38611.1653152297. The cubic root of 1490822087 is about 1142.3747784622.

The spelling of 1490822087 in words is "one billion, four hundred ninety million, eight hundred twenty-two thousand, eighty-seven".