1090057 has 8 divisors (see below), whose sum is σ = 1186056. Its totient is φ = 997632.

The previous prime is 1090031. The next prime is 1090097. The reversal of 1090057 is 7500901.

It can be written as a sum of positive squares in 4 ways, for example, as 495616 + 594441 = 704^2 + 771^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1090057 - 2¹⁹ = 565769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090027) 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, 238 + ... + 1495.

It is an arithmetic number, because the mean of its divisors is an integer number (148257).

2^1090057 is an apocalyptic number.

1090057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1090057 is a deficient number, since it is larger than the sum of its proper divisors (95999).

1090057 is a wasteful number, since it uses less digits than its factorization.

1090057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 1090057 is about 1044.0579485833. The cubic root of 1090057 is about 102.9160405439.

Adding to 1090057 its reverse (7500901), we get a palindrome (8590958).

The spelling of 1090057 in words is "one million, ninety thousand, fifty-seven".