121402141 has 8 divisors (see below), whose sum is σ = 140304960. Its totient is φ = 102889248.

The previous prime is 121402123. The next prime is 121402147. The reversal of 121402141 is 141204121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121402141 - 2¹³ = 121393949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121402147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96811 + ... + 98056.

It is an arithmetic number, because the mean of its divisors is an integer number (17538120).

Almost surely, 2^121402141 is an apocalyptic number.

It is an amenable number.

121402141 is a deficient number, since it is larger than the sum of its proper divisors (18902819).

121402141 is an equidigital number, since it uses as much as digits as its factorization.

121402141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194963.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 121402141 is about 11018.2639739661. The cubic root of 121402141 is about 495.1560790676.

Adding to 121402141 its reverse (141204121), we get a palindrome (262606262).

The spelling of 121402141 in words is "one hundred twenty-one million, four hundred two thousand, one hundred forty-one".