1202450121 has 12 divisors (see below), whose sum is σ = 1754779572. Its totient is φ = 793368576.

The previous prime is 1202450111. The next prime is 1202450141. The reversal of 1202450121 is 1210542021.

1202450121 is a `hidden beast` number, since 1 + 202 + 450 + 12 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 918999225 + 283450896 = 30315^2 + 16836^2 .

It is not a de Polignac number, because 1202450121 - 2⁷ = 1202449993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202450094 and 1202450103.

It is not an unprimeable number, because it can be changed into a prime (1202450111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687816 + ... + 689561.

It is an arithmetic number, because the mean of its divisors is an integer number (146231631).

Almost surely, 2^1202450121 is an apocalyptic number.

It is an amenable number.

1202450121 is a deficient number, since it is larger than the sum of its proper divisors (552329451).

1202450121 is a wasteful number, since it uses less digits than its factorization.

1202450121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377480 (or 1377477 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1202450121 is about 34676.3625687586. The cubic root of 1202450121 is about 1063.3813114251.

Adding to 1202450121 its reverse (1210542021), we get a palindrome (2412992142).

The spelling of 1202450121 in words is "one billion, two hundred two million, four hundred fifty thousand, one hundred twenty-one".