121442377 has 8 divisors (see below), whose sum is σ = 139104000. Its totient is φ = 103858944.

The previous prime is 121442359. The next prime is 121442381. The reversal of 121442377 is 773244121.

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

It is not a de Polignac number, because 121442377 - 2¹¹ = 121440329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121442317) 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, 16177 + ... + 22462.

It is an arithmetic number, because the mean of its divisors is an integer number (17388000).

Almost surely, 2^121442377 is an apocalyptic number.

It is an amenable number.

121442377 is a deficient number, since it is larger than the sum of its proper divisors (17661623).

121442377 is an equidigital number, since it uses as much as digits as its factorization.

121442377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39095.

The product of its digits is 9408, while the sum is 31.

The square root of 121442377 is about 11020.0897001794. The cubic root of 121442377 is about 495.2107757948.

Adding to 121442377 its reverse (773244121), we get a palindrome (894686498).

The spelling of 121442377 in words is "one hundred twenty-one million, four hundred forty-two thousand, three hundred seventy-seven".