121163015 has 8 divisors (see below), whose sum is σ = 150409440. Its totient is φ = 93587872.

The previous prime is 121162999. The next prime is 121163027. The reversal of 121163015 is 510361121.

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

It is not a de Polignac number, because 121163015 - 2⁴ = 121162999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417659 + ... + 417948.

It is an arithmetic number, because the mean of its divisors is an integer number (18801180).

Almost surely, 2^121163015 is an apocalyptic number.

121163015 is a deficient number, since it is larger than the sum of its proper divisors (29246425).

121163015 is an equidigital number, since it uses as much as digits as its factorization.

121163015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835641.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 121163015 is about 11007.4072787374. The cubic root of 121163015 is about 494.8307621294.

The spelling of 121163015 in words is "one hundred twenty-one million, one hundred sixty-three thousand, fifteen".