121490834 has 8 divisors (see below), whose sum is σ = 184732860. Its totient is φ = 59913216.

The previous prime is 121490827. The next prime is 121490843. The reversal of 121490834 is 438094121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119793025 + 1697809 = 10945^2 + 1303^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121490834.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415919 + ... + 416210.

Almost surely, 2^121490834 is an apocalyptic number.

121490834 is a deficient number, since it is larger than the sum of its proper divisors (63242026).

121490834 is an equidigital number, since it uses as much as digits as its factorization.

121490834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832204.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 121490834 is about 11022.2880564790. The cubic root of 121490834 is about 495.2766320970.

The spelling of 121490834 in words is "one hundred twenty-one million, four hundred ninety thousand, eight hundred thirty-four".