1025090 has 16 divisors (see below), whose sum is σ = 2013120. Its totient is φ = 372720.

The previous prime is 1025081. The next prime is 1025093. The reversal of 1025090 is 905201.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1025093) 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, 4550 + ... + 4769.

It is an arithmetic number, because the mean of its divisors is an integer number (125820).

2^1025090 is an apocalyptic number.

1025090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025090 is a deficient number, since it is larger than the sum of its proper divisors (988030).

1025090 is a wasteful number, since it uses less digits than its factorization.

1025090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1025090 is about 1012.4672834220. The cubic root of 1025090 is about 100.8294346936.

The spelling of 1025090 in words is "one million, twenty-five thousand, ninety".