121336019 has 8 divisors (see below), whose sum is σ = 139668480. Its totient is φ = 103253256.

The previous prime is 121336013. The next prime is 121336031. The reversal of 121336019 is 910633121.

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 121336019 - 2⁸ = 121335763 is a prime.

It is a super-2 number, since 2×121336019² = 29444859013536722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121336013) 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, 61379 + ... + 63324.

It is an arithmetic number, because the mean of its divisors is an integer number (17458560).

Almost surely, 2^121336019 is an apocalyptic number.

121336019 is a deficient number, since it is larger than the sum of its proper divisors (18332461).

121336019 is a wasteful number, since it uses less digits than its factorization.

121336019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124849.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 121336019 is about 11015.2630018534. The cubic root of 121336019 is about 495.0661667154.

The spelling of 121336019 in words is "one hundred twenty-one million, three hundred thirty-six thousand, nineteen".