1002450121 has 4 divisors (see below), whose sum is σ = 1010102544. Its totient is φ = 994797700.

The previous prime is 1002450083. The next prime is 1002450133. The reversal of 1002450121 is 1210542001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002450121 - 2¹⁷ = 1002319049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002450095 and 1002450104.

It is not an unprimeable number, because it can be changed into a prime (1002450821) 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, 3826015 + ... + 3826276.

It is an arithmetic number, because the mean of its divisors is an integer number (252525636).

Almost surely, 2^1002450121 is an apocalyptic number.

It is an amenable number.

1002450121 is a deficient number, since it is larger than the sum of its proper divisors (7652423).

1002450121 is an equidigital number, since it uses as much as digits as its factorization.

1002450121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652422.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1002450121 is about 31661.4927159160. The cubic root of 1002450121 is about 1000.8160408961.

Adding to 1002450121 its reverse (1210542001), we get a palindrome (2212992122).

The spelling of 1002450121 in words is "one billion, two million, four hundred fifty thousand, one hundred twenty-one".