121401367 has 4 divisors (see below), whose sum is σ = 121426936. Its totient is φ = 121375800.

The previous prime is 121401359. The next prime is 121401389. The reversal of 121401367 is 763104121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121401367 - 2³ = 121401359 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 (121401307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (30356734).

Almost surely, 2^121401367 is an apocalyptic number.

121401367 is a deficient number, since it is larger than the sum of its proper divisors (25569).

121401367 is an equidigital number, since it uses as much as digits as its factorization.

121401367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25568.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 121401367 is about 11018.2288504097. The cubic root of 121401367 is about 495.1550267753.

Adding to 121401367 its reverse (763104121), we get a palindrome (884505488).

The spelling of 121401367 in words is "one hundred twenty-one million, four hundred one thousand, three hundred sixty-seven".