10120890 has 32 divisors (see below), whose sum is σ = 26159616. Its totient is φ = 2491200.

The previous prime is 10120843. The next prime is 10120921. The reversal of 10120890 is 9802101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12586 + ... + 13365.

It is an arithmetic number, because the mean of its divisors is an integer number (817488).

Almost surely, 2^10120890 is an apocalyptic number.

10120890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10120890 is an abundant number, since it is smaller than the sum of its proper divisors (16038726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10120890 is a wasteful number, since it uses less digits than its factorization.

10120890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25974.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 10120890 is about 3181.3346255935. The cubic root of 10120890 is about 216.3081592598.

Adding to 10120890 its reverse (9802101), we get a palindrome (19922991).

The spelling of 10120890 in words is "ten million, one hundred twenty thousand, eight hundred ninety".