10901090 has 32 divisors (see below), whose sum is σ = 20219760. Its totient is φ = 4230144.

The previous prime is 10901083. The next prime is 10901141. The reversal of 10901090 is 9010901.

It can be written as a sum of positive squares in 8 ways, for example, as 6620329 + 4280761 = 2573^2 + 2069^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79502 + ... + 79638.

Almost surely, 2^10901090 is an apocalyptic number.

10901090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10901090 is a deficient number, since it is larger than the sum of its proper divisors (9318670).

10901090 is a wasteful number, since it uses less digits than its factorization.

10901090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 10901090 is about 3301.6798754573. The cubic root of 10901090 is about 221.7294135844.

Adding to 10901090 its reverse (9010901), we get a palindrome (19911991).

The spelling of 10901090 in words is "ten million, nine hundred one thousand, ninety".