121402333 has 6 divisors (see below), whose sum is σ = 131459514. Its totient is φ = 112063536.

The previous prime is 121402331. The next prime is 121402367. The reversal of 121402333 is 333204121.

It can be written as a sum of positive squares in 3 ways, for example, as 5560164 + 115842169 = 2358^2 + 10763^2 .

It is not a de Polignac number, because 121402333 - 2¹ = 121402331 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 121402333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121402331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359010 + ... + 359347.

It is an arithmetic number, because the mean of its divisors is an integer number (21909919).

Almost surely, 2^121402333 is an apocalyptic number.

121402333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121402333 is a deficient number, since it is larger than the sum of its proper divisors (10057181).

121402333 is an equidigital number, since it uses as much as digits as its factorization.

121402333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718383 (or 718370 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 121402333 is about 11018.2726867690. The cubic root of 121402333 is about 495.1563401006.

Adding to 121402333 its reverse (333204121), we get a palindrome (454606454).

The spelling of 121402333 in words is "one hundred twenty-one million, four hundred two thousand, three hundred thirty-three".