121343402 has 16 divisors (see below), whose sum is σ = 185125824. Its totient is φ = 59640000.

The previous prime is 121343389. The next prime is 121343441. The reversal of 121343402 is 204343121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55877 + ... + 58007.

It is an arithmetic number, because the mean of its divisors is an integer number (11570364).

Almost surely, 2^121343402 is an apocalyptic number.

121343402 is a deficient number, since it is larger than the sum of its proper divisors (63782422).

121343402 is a wasteful number, since it uses less digits than its factorization.

121343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 121343402 is about 11015.5981226622. The cubic root of 121343402 is about 495.0762077002.

Adding to 121343402 its reverse (204343121), we get a palindrome (325686523).

The spelling of 121343402 in words is "one hundred twenty-one million, three hundred forty-three thousand, four hundred two".