121505038 has 8 divisors (see below), whose sum is σ = 191850120. Its totient is φ = 57555000.

The previous prime is 121505023. The next prime is 121505053. The reversal of 121505038 is 830505121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121505023) and next prime (121505053).

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1598713 + ... + 1598788.

It is an arithmetic number, because the mean of its divisors is an integer number (23981265).

Almost surely, 2^121505038 is an apocalyptic number.

121505038 is a deficient number, since it is larger than the sum of its proper divisors (70345082).

121505038 is a wasteful number, since it uses less digits than its factorization.

121505038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197522.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 121505038 is about 11022.9323684762. The cubic root of 121505038 is about 495.2959329636.

The spelling of 121505038 in words is "one hundred twenty-one million, five hundred five thousand, thirty-eight".