121214019 has 8 divisors (see below), whose sum is σ = 161670672. Its totient is φ = 80783360.

The previous prime is 121214017. The next prime is 121214069. The reversal of 121214019 is 910412121.

It is a happy number.

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 121214019 - 2¹ = 121214017 is a prime.

It is a super-2 number, since 2×121214019² = 29385676804264722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121213986 and 121214004.

It is not an unprimeable number, because it can be changed into a prime (121214017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11539 + ... + 19379.

It is an arithmetic number, because the mean of its divisors is an integer number (20208834).

Almost surely, 2^121214019 is an apocalyptic number.

121214019 is a deficient number, since it is larger than the sum of its proper divisors (40456653).

121214019 is an equidigital number, since it uses as much as digits as its factorization.

121214019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 121214019 is about 11009.7238384984. The cubic root of 121214019 is about 494.9001859758.

The spelling of 121214019 in words is "one hundred twenty-one million, two hundred fourteen thousand, nineteen".