121835834 has 4 divisors (see below), whose sum is σ = 182753754. Its totient is φ = 60917916.

The previous prime is 121835803. The next prime is 121835839. The reversal of 121835834 is 438538121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116532025 + 5303809 = 10795^2 + 2303^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121835794 and 121835803.

It is not an unprimeable number, because it can be changed into a prime (121835839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30458957 + ... + 30458960.

Almost surely, 2^121835834 is an apocalyptic number.

121835834 is a deficient number, since it is larger than the sum of its proper divisors (60917920).

121835834 is an equidigital number, since it uses as much as digits as its factorization.

121835834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60917919.

The product of its digits is 23040, while the sum is 35.

The square root of 121835834 is about 11037.9270698805. The cubic root of 121835834 is about 495.7450047463.

The spelling of 121835834 in words is "one hundred twenty-one million, eight hundred thirty-five thousand, eight hundred thirty-four".