6250121 has 4 divisors (see below), whose sum is σ = 6352644. Its totient is φ = 6147600.

The previous prime is 6250117. The next prime is 6250129. The reversal of 6250121 is 1210526.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 193600 + 6056521 = 440^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 6250121 - 2² = 6250117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6250121.

It is not an unprimeable number, because it can be changed into a prime (6250129) 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, 51170 + ... + 51291.

It is an arithmetic number, because the mean of its divisors is an integer number (1588161).

Almost surely, 2^6250121 is an apocalyptic number.

6250121 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6250121 is a deficient number, since it is larger than the sum of its proper divisors (102523).

6250121 is a wasteful number, since it uses less digits than its factorization.

6250121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102522.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 6250121 is about 2500.0241998829. The cubic root of 6250121 is about 184.2027636385.

Adding to 6250121 its reverse (1210526), we get a palindrome (7460647).

The spelling of 6250121 in words is "six million, two hundred fifty thousand, one hundred twenty-one".