1010890 has 8 divisors (see below), whose sum is σ = 1819620. Its totient is φ = 404352.

The previous prime is 1010881. The next prime is 1010897. The reversal of 1010890 is 980101.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 83521 = 963^2 + 289^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1010897) 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, 50535 + ... + 50554.

2^1010890 is an apocalyptic number.

1010890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010890 is a deficient number, since it is larger than the sum of its proper divisors (808730).

1010890 is a wasteful number, since it uses less digits than its factorization.

1010890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101096.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1010890 is about 1005.4302561590. The cubic root of 1010890 is about 100.3616902246.

Adding to 1010890 its reverse (980101), we get a palindrome (1990991).

It can be divided in two parts, 10 and 10890, that multiplied together give a square (108900 = 330²).

The spelling of 1010890 in words is "one million, ten thousand, eight hundred ninety".