121401127 has 8 divisors (see below), whose sum is σ = 128016000. Its totient is φ = 114808824.

The previous prime is 121401109. The next prime is 121401149. The reversal of 121401127 is 721104121.

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

It is a cyclic number.

It is not a de Polignac number, because 121401127 - 2¹⁹ = 120876839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121401187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048 + ... + 16714.

It is an arithmetic number, because the mean of its divisors is an integer number (16002000).

Almost surely, 2^121401127 is an apocalyptic number.

121401127 is a deficient number, since it is larger than the sum of its proper divisors (6614873).

121401127 is a wasteful number, since it uses less digits than its factorization.

121401127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 121401127 is about 11018.2179593617. The cubic root of 121401127 is about 495.1547004822.

Adding to 121401127 its reverse (721104121), we get a palindrome (842505248).

The spelling of 121401127 in words is "one hundred twenty-one million, four hundred one thousand, one hundred twenty-seven".