1087957 has 4 divisors (see below), whose sum is σ = 1171660. Its totient is φ = 1004256.

The previous prime is 1087937. The next prime is 1087963. The reversal of 1087957 is 7597801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7597801 = 797 ⋅9533.

It can be written as a sum of positive squares in 2 ways, for example, as 531441 + 556516 = 729^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087957 - 2⁷ = 1087829 is a prime.

It is a Duffinian number.

1087957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087907) 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, 41832 + ... + 41857.

It is an arithmetic number, because the mean of its divisors is an integer number (292915).

2^1087957 is an apocalyptic number.

It is an amenable number.

1087957 is a deficient number, since it is larger than the sum of its proper divisors (83703).

1087957 is an equidigital number, since it uses as much as digits as its factorization.

1087957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83702.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 1087957 is about 1043.0517724447. The cubic root of 1087957 is about 102.8499086439.

The spelling of 1087957 in words is "one million, eighty-seven thousand, nine hundred fifty-seven".