1056632487 has 8 divisors (see below), whose sum is σ = 1457424240. Its totient is φ = 680131200.

The previous prime is 1056632477. The next prime is 1056632497. The reversal of 1056632487 is 7842366501.

It is an interprime number because it is at equal distance from previous prime (1056632477) and next prime (1056632497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1056632487 - 2⁴ = 1056632471 is a prime.

It is a super-2 number, since 2×1056632487² = 2232944425167610338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056632477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6072514 + ... + 6072687.

It is an arithmetic number, because the mean of its divisors is an integer number (182178030).

Almost surely, 2^1056632487 is an apocalyptic number.

1056632487 is a deficient number, since it is larger than the sum of its proper divisors (400791753).

1056632487 is a wasteful number, since it uses less digits than its factorization.

1056632487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145233.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1056632487 is about 32505.8838827681. The cubic root of 1056632487 is about 1018.5319413249.

Adding to 1056632487 its reverse (7842366501), we get a palindrome (8898998988).

The spelling of 1056632487 in words is "one billion, fifty-six million, six hundred thirty-two thousand, four hundred eighty-seven".