5090121 has 12 divisors (see below), whose sum is σ = 7625072. Its totient is φ = 3393252.

The previous prime is 5090117. The next prime is 5090131. The reversal of 5090121 is 1210905.

It is not a de Polignac number, because 5090121 - 2² = 5090117 is a prime.

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

It is a Duffinian number.

5090121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5090094 and 5090103.

It is not an unprimeable number, because it can be changed into a prime (5090131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10231 + ... + 10716.

Almost surely, 2^5090121 is an apocalyptic number.

It is an amenable number.

5090121 is a deficient number, since it is larger than the sum of its proper divisors (2534951).

5090121 is an equidigital number, since it uses as much as digits as its factorization.

5090121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962 (or 20950 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 5090121 is about 2256.1296505299. The cubic root of 5090121 is about 172.0188482139.

The spelling of 5090121 in words is "five million, ninety thousand, one hundred twenty-one".