121817034 has 20 divisors (see below), whose sum is σ = 272960754. Its totient is φ = 40605624.

The previous prime is 121817029. The next prime is 121817041. The reversal of 121817034 is 430718121.

It can be written as a sum of positive squares in only one way, i.e., 109935225 + 11881809 = 10485^2 + 3447^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121816989 and 121817007.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 375817 + ... + 376140.

Almost surely, 2^121817034 is an apocalyptic number.

121817034 is an abundant number, since it is smaller than the sum of its proper divisors (151143720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121817034 is an equidigital number, since it uses as much as digits as its factorization.

121817034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751971 (or 751962 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 121817034 is about 11037.0754278477. The cubic root of 121817034 is about 495.7195046253.

The spelling of 121817034 in words is "one hundred twenty-one million, eight hundred seventeen thousand, thirty-four".