950121821 has 8 divisors (see below), whose sum is σ = 1069932288. Its totient is φ = 835884000.

The previous prime is 950121793. The next prime is 950121827. The reversal of 950121821 is 128121059.

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

It is not a de Polignac number, because 950121821 - 2²⁶ = 883012957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (950121827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392800 + ... + 1393481.

It is an arithmetic number, because the mean of its divisors is an integer number (133741536).

Almost surely, 2^950121821 is an apocalyptic number.

It is an amenable number.

950121821 is a deficient number, since it is larger than the sum of its proper divisors (119810467).

950121821 is a wasteful number, since it uses less digits than its factorization.

950121821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786323.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 950121821 is about 30824.0461490700. The cubic root of 950121821 is about 983.0895902880.

The spelling of 950121821 in words is "nine hundred fifty million, one hundred twenty-one thousand, eight hundred twenty-one".